23057628 has 24 divisors (see below), whose sum is σ = 58692480. Its totient is φ = 6987120.

The previous prime is 23057609. The next prime is 23057633. The reversal of 23057628 is 82675032.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87208 + ... + 87471.

It is an arithmetic number, because the mean of its divisors is an integer number (2445520).

Almost surely, 2^23057628 is an apocalyptic number.

It is an amenable number.

23057628 is an abundant number, since it is smaller than the sum of its proper divisors (35634852).

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

23057628 is a wasteful number, since it uses less digits than its factorization.

23057628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174697 (or 174695 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 23057628 is about 4801.8358989037. The cubic root of 23057628 is about 284.6240163627.

The spelling of 23057628 in words is "twenty-three million, fifty-seven thousand, six hundred twenty-eight".