Alright, let's work through 2123 times 5453 step by step
2123 × 5453 = 5453 × (2123)
+ 5453 × 3 giving us 16359
+ 5453 × 20 yielding 109060
+ 5453 × 100 resulting in 545300
+ 5453 × 2000 giving us 10906000

= 11576719
