Alright, let's work through 6423 times 6341 step by step
6423 × 6341 = 6341 × (6423)
+ 6341 × 3 resulting in 19023
+ 6341 × 20 giving us 126820
+ 6341 × 400 that results in 2536400
+ 6341 × 6000 giving us 38046000

= 40728243
