23669725 has 12 divisors (see below), whose sum is σ = 30895840. Its totient is φ = 17938800.

The previous prime is 23669689. The next prime is 23669731. The reversal of 23669725 is 52796632.

It is not a de Polignac number, because 23669725 - 2¹⁵ = 23636957 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24441 + ... + 25390.

Almost surely, 2^23669725 is an apocalyptic number.

23669725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23669725 is a deficient number, since it is larger than the sum of its proper divisors (7226115).

23669725 is a wasteful number, since it uses less digits than its factorization.

23669725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49860 (or 49855 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 23669725 is about 4865.1541599419. The cubic root of 23669725 is about 287.1206338490.

The spelling of 23669725 in words is "twenty-three million, six hundred sixty-nine thousand, seven hundred twenty-five".