23118725 has 48 divisors (see below), whose sum is σ = 36604800. Its totient is φ = 14100480.

The previous prime is 23118707. The next prime is 23118727. The reversal of 23118725 is 52781132.

It is not a de Polignac number, because 23118725 - 2⁶ = 23118661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23118727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56321 + ... + 56729.

It is an arithmetic number, because the mean of its divisors is an integer number (762600).

Almost surely, 2^23118725 is an apocalyptic number.

23118725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23118725 is a deficient number, since it is larger than the sum of its proper divisors (13486075).

23118725 is a wasteful number, since it uses less digits than its factorization.

23118725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 457 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 23118725 is about 4808.1935277191. The cubic root of 23118725 is about 284.8751890138.

Adding to 23118725 its reverse (52781132), we get a palindrome (75899857).

The spelling of 23118725 in words is "twenty-three million, one hundred eighteen thousand, seven hundred twenty-five".