23532131 has 16 divisors (see below), whose sum is σ = 29399040. Its totient is φ = 18368640.

The previous prime is 23532121. The next prime is 23532139. The reversal of 23532131 is 13123532.

It is a cyclic number.

It is not a de Polignac number, because 23532131 - 2¹⁰ = 23531107 is a prime.

It is a super-2 number, since 2×23532131² = 1107522378802322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23532139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500 + ... + 6878.

It is an arithmetic number, because the mean of its divisors is an integer number (1837440).

Almost surely, 2^23532131 is an apocalyptic number.

23532131 is a deficient number, since it is larger than the sum of its proper divisors (5866909).

23532131 is a wasteful number, since it uses less digits than its factorization.

23532131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434.

The product of its digits is 540, while the sum is 20.

The square root of 23532131 is about 4850.9927849874. The cubic root of 23532131 is about 286.5632005971.

Adding to 23532131 its reverse (13123532), we get a palindrome (36655663).

The spelling of 23532131 in words is "twenty-three million, five hundred thirty-two thousand, one hundred thirty-one".