23031325 has 12 divisors (see below), whose sum is σ = 30062560. Its totient is φ = 17454960.

The previous prime is 23031319. The next prime is 23031329. The reversal of 23031325 is 52313032.

It is not a de Polignac number, because 23031325 - 2⁵ = 23031293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23769 + ... + 24718.

Almost surely, 2^23031325 is an apocalyptic number.

23031325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23031325 is a deficient number, since it is larger than the sum of its proper divisors (7031235).

23031325 is a wasteful number, since it uses less digits than its factorization.

23031325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48516 (or 48511 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 23031325 is about 4799.0962690907. The cubic root of 23031325 is about 284.5157468559.

Adding to 23031325 its reverse (52313032), we get a palindrome (75344357).

The spelling of 23031325 in words is "twenty-three million, thirty-one thousand, three hundred twenty-five".