423688256 has 28 divisors (see below), whose sum is σ = 847392768. Its totient is φ = 210172032.

The previous prime is 423688247. The next prime is 423688261. The reversal of 423688256 is 652886324.

423688256 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17936 + ... + 34191.

Almost surely, 2^423688256 is an apocalyptic number.

It is an amenable number.

423688256 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423688256 is a wasteful number, since it uses less digits than its factorization.

423688256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52266 (or 52256 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 423688256 is about 20583.6890765480. The cubic root of 423688256 is about 751.0729862760.

The spelling of 423688256 in words is "four hundred twenty-three million, six hundred eighty-eight thousand, two hundred fifty-six".