23320725 has 24 divisors (see below), whose sum is σ = 38851680. Its totient is φ = 12342720.

The previous prime is 23320709. The next prime is 23320777. The reversal of 23320725 is 52702332.

It is not a de Polignac number, because 23320725 - 2⁴ = 23320709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23320695 and 23320704.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 9307 + ... + 11543.

It is an arithmetic number, because the mean of its divisors is an integer number (1618820).

Almost surely, 2^23320725 is an apocalyptic number.

23320725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23320725 is a deficient number, since it is larger than the sum of its proper divisors (15530955).

23320725 is a wasteful number, since it uses less digits than its factorization.

23320725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389 (or 2384 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 23320725 is about 4829.1536525565. The cubic root of 23320725 is about 285.7024837387.

The spelling of 23320725 in words is "twenty-three million, three hundred twenty thousand, seven hundred twenty-five".