665149 ÷ 23 
Let's see how many times 23 fits into 665149.

Step 1:
23 can be fit into 6 0 times, resulting in a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Take the next digit (6) from the dividend and append it to 6, then repeat: 66 / 23

Step 2:
When dividing 66 by 23, we get 2 with a remainder of 20.
The next digit of our result is 2. 
Result so far: 2.0
Deduct 46 from 66 and we're left with 20.
Bring next digit (5) of the dividend behind the 20 and repeat the process: 205 / 23

Advancing to step 3:
If we divide 205 by 23, we get 8 and a remainder of 21.
Record the quotient 8 as the next digit in the result. 
Result so far: 28.0
Deduct 184 from 205 and we're left with 21.
Fetch the next digit (1) from the dividend, attach it to 21 and continue: 211 / 23

Step 4:
211 divided by 23 is 9 with a remainder of 4.
The number 9 becomes the next digit in our result. 
Result so far: 289.0
Subtract 207 from 211 to get 4.
Append the next digit (4) from the dividend to 4 and continue with: 44 / 23

Advancing to step 5:
The number 23 fits into 44 1 times, leaving a remainder of 21.
The number 1 becomes the next digit in our result. 
Result so far: 2891.0
Deduct 23 from 44 and we're left with 21.
Include the next digit (9) from the dividend after 21, then repeat: 219 / 23

Moving on to step 6:
219 divided by 23 is 9 with a remainder of 12.
Record the quotient 9 as the next digit in the result. 
Result so far: 28919.0
Subtract 207 from 219 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 7:
The number 23 fits into 120 5 times, leaving a remainder of 5.
The number 5 becomes the next digit in our result. 
Result so far: 28919.5
If we take 115 away from 120, we end up with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

On to step 8:
50 divided by 23 is 2 with a remainder of 4.
Put 2 as the next digit of the answer. 
Result so far: 28919.52
Deduct 46 from 50 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 9:
40 divided by 23 is 1 with a remainder of 17.
Write down 1 as next digit of the result. 
Result so far: 28919.521
Subtracting 23 from 40 leaves us with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Moving on to step 10:
When dividing 170 by 23, we get 7 with a remainder of 9.
The number 7 becomes the next digit in our result. 
Result so far: 28919.5217
Deduct 161 from 170 and we're left with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

On to step 11:
23 goes into 90 3 times with a remainder of 21.
Use 3 as the next digit of our solution. 
Result so far: 28919.52173
Subtracting 69 from 90 leaves us with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Moving on to step 12:
23 goes into 210 9 times with a remainder of 3.
Record the quotient 9 as the next digit in the result. 
Result so far: 28919.521739
The remainder is 3 after subtracting 207 from 210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Moving on to step 13:
If we divide 30 by 23, we get 1 and a remainder of 7.
Put 1 as the next digit of the answer. 
Result so far: 28919.5217391
Subtracting 23 from 30 leaves us with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Let's proceed to step 14:
If we divide 70 by 23, we get 3 and a remainder of 1.
Use 3 as the next digit of our solution. 
Result so far: 28919.52173913
If we take 69 away from 70, we end up with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

The final outcome is 28919.52173913, with a leftover of 1e-09.