23157375 has 32 divisors (see below), whose sum is σ = 39599040. Its totient is φ = 12009600.

The previous prime is 23157373. The next prime is 23157397. The reversal of 23157375 is 57375132.

It is not a de Polignac number, because 23157375 - 2¹ = 23157373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23157373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13041 + ... + 14709.

It is an arithmetic number, because the mean of its divisors is an integer number (1237470).

Almost surely, 2^23157375 is an apocalyptic number.

23157375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23157375 is a deficient number, since it is larger than the sum of its proper divisors (16441665).

23157375 is a wasteful number, since it uses less digits than its factorization.

23157375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724 (or 1714 counting only the distinct ones).

The product of its digits is 22050, while the sum is 33.

The square root of 23157375 is about 4812.2110302854. The cubic root of 23157375 is about 285.0338525501.

It can be divided in two parts, 23157 and 375, that added together give a palindrome (23532).

The spelling of 23157375 in words is "twenty-three million, one hundred fifty-seven thousand, three hundred seventy-five".