23569925 has 24 divisors (see below), whose sum is σ = 30477216. Its totient is φ = 18066240.

The previous prime is 23569921. The next prime is 23569927. The reversal of 23569925 is 52996532.

It is not a de Polignac number, because 23569925 - 2² = 23569921 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76622 + ... + 76928.

It is an arithmetic number, because the mean of its divisors is an integer number (1269884).

Almost surely, 2^23569925 is an apocalyptic number.

23569925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23569925 is a deficient number, since it is larger than the sum of its proper divisors (6907291).

23569925 is a wasteful number, since it uses less digits than its factorization.

23569925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 432 counting only the distinct ones).

The product of its digits is 145800, while the sum is 41.

The square root of 23569925 is about 4854.8867134054. The cubic root of 23569925 is about 286.7165310470.

The spelling of 23569925 in words is "twenty-three million, five hundred sixty-nine thousand, nine hundred twenty-five".