23555725 has 24 divisors (see below), whose sum is σ = 31114080. Its totient is φ = 17640000.

The previous prime is 23555711. The next prime is 23555731. The reversal of 23555725 is 52755532.

It is not a de Polignac number, because 23555725 - 2¹⁵ = 23522957 is a prime.

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, 47730 + ... + 48220.

It is an arithmetic number, because the mean of its divisors is an integer number (1296420).

Almost surely, 2^23555725 is an apocalyptic number.

23555725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23555725 is a deficient number, since it is larger than the sum of its proper divisors (7558355).

23555725 is a wasteful number, since it uses less digits than its factorization.

23555725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 616 counting only the distinct ones).

The product of its digits is 52500, while the sum is 34.

The square root of 23555725 is about 4853.4240490606. The cubic root of 23555725 is about 286.6589408110.

The spelling of 23555725 in words is "twenty-three million, five hundred fifty-five thousand, seven hundred twenty-five".