It's 4
423.0
you need more information. Unless you are wanting 423/100 which is 4.23....you need the number that it is a percentage of.
12
423% = 4.23 = 423/100 in fraction
3 100 423 080.
423.0
400
420
400
Yes
400
423 to the nearest tens is 420
2,900,000
1, 3, 9, 47, 141, 423
423 is a composite number. Its prime factorisation is 3 x 3 x 47.
I put the larger number above the smaller number and then I subtract. 719 423 ----- 296
No, it is not a prime number.