23316725 has 18 divisors (see below), whose sum is σ = 29971110. Its totient is φ = 17993920.

The previous prime is 23316703. The next prime is 23316731. The reversal of 23316725 is 52761332.

It can be written as a sum of positive squares in 9 ways, for example, as 12909649 + 10407076 = 3593^2 + 3226^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23316725 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20471 + ... + 21579.

Almost surely, 2^23316725 is an apocalyptic number.

23316725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23316725 is a deficient number, since it is larger than the sum of its proper divisors (6654385).

23316725 is a wasteful number, since it uses less digits than its factorization.

23316725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1143 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 23316725 is about 4828.7394835505. The cubic root of 23316725 is about 285.6861481219.

The spelling of 23316725 in words is "twenty-three million, three hundred sixteen thousand, seven hundred twenty-five".