23231025 has 36 divisors (see below), whose sum is σ = 41886208. Its totient is φ = 12307680.

The previous prime is 23231023. The next prime is 23231029. The reversal of 23231025 is 52013232.

It is not a de Polignac number, because 23231025 - 2¹ = 23231023 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23230989 and 23231007.

It is not an unprimeable number, because it can be changed into a prime (23231023) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49944 + ... + 50406.

Almost surely, 2^23231025 is an apocalyptic number.

23231025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23231025 is a deficient number, since it is larger than the sum of its proper divisors (18655183).

23231025 is a wasteful number, since it uses less digits than its factorization.

23231025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23231025 is about 4819.8573630347. The cubic root of 23231025 is about 285.3357078235.

Adding to 23231025 its reverse (52013232), we get a palindrome (75244257).

The spelling of 23231025 in words is "twenty-three million, two hundred thirty-one thousand, twenty-five".