Alright, let's work through 5423 times 4266 step by step
5423 × 4266 = 4266 × (5423)
+ 4266 × 3 resulting in 12798
+ 4266 × 20 that results in 85320
+ 4266 × 400 which equals 1706400
+ 4266 × 5000 yielding 21330000

= 23134518
