23257375 has 16 divisors (see below), whose sum is σ = 29469024. Its totient is φ = 18321600.

The previous prime is 23257369. The next prime is 23257397. The reversal of 23257375 is 57375232.

It is not a de Polignac number, because 23257375 - 2¹¹ = 23255327 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 23257375.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6987 + ... + 9763.

It is an arithmetic number, because the mean of its divisors is an integer number (1841814).

Almost surely, 2^23257375 is an apocalyptic number.

23257375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23257375 is a deficient number, since it is larger than the sum of its proper divisors (6211649).

23257375 is an equidigital number, since it uses as much as digits as its factorization.

23257375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859 (or 2849 counting only the distinct ones).

The product of its digits is 44100, while the sum is 34.

The square root of 23257375 is about 4822.5900717353. The cubic root of 23257375 is about 285.4435485955.

It can be divided in two parts, 23257 and 375, that added together give a palindrome (23632).

The spelling of 23257375 in words is "twenty-three million, two hundred fifty-seven thousand, three hundred seventy-five".