23569928 has 8 divisors (see below), whose sum is σ = 44193630. Its totient is φ = 11784960.

The previous prime is 23569927. The next prime is 23569943. The reversal of 23569928 is 82996532.

It can be written as a sum of positive squares in only one way, i.e., 21325924 + 2244004 = 4618^2 + 1498^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (23569921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473113 + ... + 1473128.

Almost surely, 2^23569928 is an apocalyptic number.

It is an amenable number.

23569928 is a deficient number, since it is larger than the sum of its proper divisors (20623702).

23569928 is a wasteful number, since it uses less digits than its factorization.

23569928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946247 (or 2946243 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 23569928 is about 4854.8870223724. The cubic root of 23569928 is about 286.7165432115.

The spelling of 23569928 in words is "twenty-three million, five hundred sixty-nine thousand, nine hundred twenty-eight".