232123131 has 16 divisors (see below), whose sum is σ = 346933920. Its totient is φ = 153377280.

The previous prime is 232123039. The next prime is 232123139. The reversal of 232123131 is 131321232.

It is not a de Polignac number, because 232123131 - 2¹⁴ = 232106747 is a prime.

It is a super-2 number, since 2×232123131² = 107762295890486322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232123139) 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, 34990 + ... + 41091.

It is an arithmetic number, because the mean of its divisors is an integer number (21683370).

Almost surely, 2^232123131 is an apocalyptic number.

232123131 is a deficient number, since it is larger than the sum of its proper divisors (114810789).

232123131 is a wasteful number, since it uses less digits than its factorization.

232123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76203 (or 76197 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 232123131 is about 15235.5876486600. The cubic root of 232123131 is about 614.5720520732.

Adding to 232123131 its reverse (131321232), we get a palindrome (363444363).

It can be divided in two parts, 2321 and 23131, that added together give a palindrome (25452).

The spelling of 232123131 in words is "two hundred thirty-two million, one hundred twenty-three thousand, one hundred thirty-one".