23013725 has 12 divisors (see below), whose sum is σ = 32613984. Its totient is φ = 15780720.

The previous prime is 23013721. The next prime is 23013743. The reversal of 23013725 is 52731032.

It is not a de Polignac number, because 23013725 - 2² = 23013721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23013725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65579 + ... + 65928.

It is an arithmetic number, because the mean of its divisors is an integer number (2717832).

Almost surely, 2^23013725 is an apocalyptic number.

23013725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23013725 is a deficient number, since it is larger than the sum of its proper divisors (9600259).

23013725 is a wasteful number, since it uses less digits than its factorization.

23013725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131524 (or 131519 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 23013725 is about 4797.2622400699. The cubic root of 23013725 is about 284.4432549603.

Adding to 23013725 its reverse (52731032), we get a palindrome (75744757).

The spelling of 23013725 in words is "twenty-three million, thirteen thousand, seven hundred twenty-five".