23537157 has 16 divisors (see below), whose sum is σ = 36742272. Its totient is φ = 13121280.

The previous prime is 23537131. The next prime is 23537159. The reversal of 23537157 is 75173532.

It is not a de Polignac number, because 23537157 - 2⁶ = 23537093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23537159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12808 + ... + 14529.

It is an arithmetic number, because the mean of its divisors is an integer number (2296392).

Almost surely, 2^23537157 is an apocalyptic number.

It is an amenable number.

23537157 is a deficient number, since it is larger than the sum of its proper divisors (13205115).

23537157 is a wasteful number, since it uses less digits than its factorization.

23537157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27388.

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

The square root of 23537157 is about 4851.5107956182. The cubic root of 23537157 is about 286.5836005646.

The spelling of 23537157 in words is "twenty-three million, five hundred thirty-seven thousand, one hundred fifty-seven".