23132131 has 16 divisors (see below), whose sum is σ = 26085888. Its totient is φ = 20332000.

The previous prime is 23132119. The next prime is 23132147. The reversal of 23132131 is 13123132.

It is a cyclic number.

It is not a de Polignac number, because 23132131 - 2⁵ = 23132099 is a prime.

It is a super-2 number, since 2×23132131² = 1070190969202322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23132171) 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, 51996 + ... + 52438.

It is an arithmetic number, because the mean of its divisors is an integer number (1630368).

Almost surely, 2^23132131 is an apocalyptic number.

23132131 is a deficient number, since it is larger than the sum of its proper divisors (2953757).

23132131 is a wasteful number, since it uses less digits than its factorization.

23132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602.

The product of its digits is 108, while the sum is 16.

The square root of 23132131 is about 4809.5874043415. The cubic root of 23132131 is about 284.9302424944.

Adding to 23132131 its reverse (13123132), we get a palindrome (36255263).

It can be divided in two parts, 2313 and 2131, that added together give a palindrome (4444).

The spelling of 23132131 in words is "twenty-three million, one hundred thirty-two thousand, one hundred thirty-one".