23691325 has 24 divisors (see below), whose sum is σ = 33757760. Its totient is φ = 16156800.

The previous prime is 23691313. The next prime is 23691331. The reversal of 23691325 is 52319632.

It is not a de Polignac number, because 23691325 - 2⁹ = 23690813 is a prime.

It is a super-2 number, since 2×23691325² = 1122557760511250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 57721 + ... + 58129.

Almost surely, 2^23691325 is an apocalyptic number.

23691325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23691325 is a deficient number, since it is larger than the sum of its proper divisors (10066435).

23691325 is a wasteful number, since it uses less digits than its factorization.

23691325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 752 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

The square root of 23691325 is about 4867.3735217261. The cubic root of 23691325 is about 287.2079453850.

The spelling of 23691325 in words is "twenty-three million, six hundred ninety-one thousand, three hundred twenty-five".