23164025 has 6 divisors (see below), whose sum is σ = 28723422. Its totient is φ = 18531200.

The previous prime is 23164019. The next prime is 23164033. The reversal of 23164025 is 52046132.

It can be written as a sum of positive squares in 3 ways, for example, as 162409 + 23001616 = 403^2 + 4796^2 .

It is not a de Polignac number, because 23164025 - 2⁸ = 23163769 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 463256 + ... + 463305.

It is an arithmetic number, because the mean of its divisors is an integer number (4787237).

Almost surely, 2^23164025 is an apocalyptic number.

23164025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23164025 is a deficient number, since it is larger than the sum of its proper divisors (5559397).

23164025 is an equidigital number, since it uses as much as digits as its factorization.

23164025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926571 (or 926566 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 23164025 is about 4812.9019312677. The cubic root of 23164025 is about 285.0611339051.

The spelling of 23164025 in words is "twenty-three million, one hundred sixty-four thousand, twenty-five".