23905228 has 12 divisors (see below), whose sum is σ = 41882680. Its totient is φ = 11938752.

The previous prime is 23905201. The next prime is 23905241. The reversal of 23905228 is 82250932.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23905228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075 + ... + 6997.

Almost surely, 2^23905228 is an apocalyptic number.

It is an amenable number.

23905228 is a deficient number, since it is larger than the sum of its proper divisors (17977452).

23905228 is a wasteful number, since it uses less digits than its factorization.

23905228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936 (or 6934 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 23905228 is about 4889.2972910225. The cubic root of 23905228 is about 288.0697329857.

The spelling of 23905228 in words is "twenty-three million, nine hundred five thousand, two hundred twenty-eight".