23534157 has 16 divisors (see below), whose sum is σ = 32012928. Its totient is φ = 15375360.

The previous prime is 23534149. The next prime is 23534207. The reversal of 23534157 is 75143532.

It is not a de Polignac number, because 23534157 - 2³ = 23534149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23534107) by changing a digit.

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, 66493 + ... + 66845.

It is an arithmetic number, because the mean of its divisors is an integer number (2000808).

Almost surely, 2^23534157 is an apocalyptic number.

It is an amenable number.

23534157 is a deficient number, since it is larger than the sum of its proper divisors (8478771).

23534157 is a wasteful number, since it uses less digits than its factorization.

23534157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740.

The product of its digits is 12600, while the sum is 30.

The square root of 23534157 is about 4851.2016037266. The cubic root of 23534157 is about 286.5714242521.

Adding to 23534157 its reverse (75143532), we get a palindrome (98677689).

The spelling of 23534157 in words is "twenty-three million, five hundred thirty-four thousand, one hundred fifty-seven".