Alright, let's work through 23892613 times 53964479 step by step
23892613 × 53964479 = 53964479 × (23892613)
+ 53964479 × 3 which equals 161893437
+ 53964479 × 10 yielding 539644790
+ 53964479 × 600 that results in 32378687400
+ 53964479 × 2000 yielding 107928958000
+ 53964479 × 90000 resulting in 4856803110000
+ 53964479 × 800000 that is equal 43171583200000
+ 53964479 × 3000000 which equals 161893437000000
+ 53964479 × 20000000 giving us 1079289580000000

= 1289352412493627
