23102928 has 40 divisors (see below), whose sum is σ = 66315200. Its totient is φ = 7700832.

The previous prime is 23102923. The next prime is 23102929. The reversal of 23102928 is 82920132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23102921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26308 + ... + 27171.

It is an arithmetic number, because the mean of its divisors is an integer number (1657880).

Almost surely, 2^23102928 is an apocalyptic number.

It is an amenable number.

23102928 is an abundant number, since it is smaller than the sum of its proper divisors (43212272).

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

23102928 is a wasteful number, since it uses less digits than its factorization.

23102928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53496 (or 53484 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 23102928 is about 4806.5505302660. The cubic root of 23102928 is about 284.8102892592.

The spelling of 23102928 in words is "twenty-three million, one hundred two thousand, nine hundred twenty-eight".