Alright, let's work through 23079743 times 19921394 step by step
23079743 × 19921394 = 19921394 × (23079743)
+ 19921394 × 3 producing 59764182
+ 19921394 × 40 which equals 796855760
+ 19921394 × 700 resulting in 13944975800
+ 19921394 × 9000 what gives us 179292546000
+ 19921394 × 70000 that results in 1394497580000
+ 19921394 × 000000 which equals 0
+ 19921394 × 3000000 that results in 59764182000000
+ 19921394 × 20000000 producing 398427880000000

= 459780653721742
