Alright, let's work through 12142923 times 23123774 step by step
12142923 × 23123774 = 23123774 × (12142923)
+ 23123774 × 3 resulting in 69371322
+ 23123774 × 20 resulting in 462475480
+ 23123774 × 900 producing 20811396600
+ 23123774 × 2000 producing 46247548000
+ 23123774 × 40000 giving us 924950960000
+ 23123774 × 100000 resulting in 2312377400000
+ 23123774 × 2000000 yielding 46247548000000
+ 23123774 × 10000000 that results in 231237740000000

= 280790207151402
