23311925 has 24 divisors (see below), whose sum is σ = 35581056. Its totient is φ = 14754240.

The previous prime is 23311919. The next prime is 23311957. The reversal of 23311925 is 52911332.

It is not a de Polignac number, because 23311925 - 2⁴ = 23311909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23311894 and 23311903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2849 + ... + 7398.

It is an arithmetic number, because the mean of its divisors is an integer number (1482544).

Almost surely, 2^23311925 is an apocalyptic number.

23311925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23311925 is a deficient number, since it is larger than the sum of its proper divisors (12269131).

23311925 is a wasteful number, since it uses less digits than its factorization.

23311925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10277 (or 10272 counting only the distinct ones).

The product of its digits is 1620, while the sum is 26.

The square root of 23311925 is about 4828.2424338469. The cubic root of 23311925 is about 285.6665429155. Note that the first 3 decimals are identical.

The spelling of 23311925 in words is "twenty-three million, three hundred eleven thousand, nine hundred twenty-five".