23628928 has 32 divisors (see below), whose sum is σ = 47295360. Its totient is φ = 11758848.

The previous prime is 23628923. The next prime is 23628947. The reversal of 23628928 is 82982632.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (23628923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46725 + ... + 47227.

It is an arithmetic number, because the mean of its divisors is an integer number (1477980).

Almost surely, 2^23628928 is an apocalyptic number.

It is an amenable number.

23628928 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

23628928 is an equidigital number, since it uses as much as digits as its factorization.

23628928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 872 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 23628928 is about 4860.9595760508. The cubic root of 23628928 is about 286.9555791667.

The spelling of 23628928 in words is "twenty-three million, six hundred twenty-eight thousand, nine hundred twenty-eight".