23500028 has 12 divisors (see below), whose sum is σ = 41217120. Its totient is φ = 11723712.

The previous prime is 23500019. The next prime is 23500031. The reversal of 23500028 is 82000532.

It is a junction number, because it is equal to n+sod(n) for n = 23499982 and 23500009.

It is a congruent 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, 4493 + ... + 8196.

It is an arithmetic number, because the mean of its divisors is an integer number (3434760).

Almost surely, 2^23500028 is an apocalyptic number.

It is an amenable number.

23500028 is a deficient number, since it is larger than the sum of its proper divisors (17717092).

23500028 is a wasteful number, since it uses less digits than its factorization.

23500028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13156 (or 13154 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 23500028 is about 4847.6827453950. The cubic root of 23500028 is about 286.4328295596.

The spelling of 23500028 in words is "twenty-three million, five hundred thousand, twenty-eight".