Alright, let's work through 23918483 times 51453261 step by step
23918483 × 51453261 = 51453261 × (23918483)
+ 51453261 × 3 that is equal 154359783
+ 51453261 × 80 giving us 4116260880
+ 51453261 × 400 what gives us 20581304400
+ 51453261 × 8000 that is equal 411626088000
+ 51453261 × 10000 giving us 514532610000
+ 51453261 × 900000 yielding 46307934900000
+ 51453261 × 3000000 producing 154359783000000
+ 51453261 × 20000000 resulting in 1029065220000000

= 1230683948523063
