232320231 has 80 divisors (see below), whose sum is σ = 421521408. Its totient is φ = 125582400.

The previous prime is 232320223. The next prime is 232320241. The reversal of 232320231 is 132023232.

It is a happy number.

It is not a de Polignac number, because 232320231 - 2³ = 232320223 is a prime.

It is a super-2 number, since 2×232320231² = 107945379463786722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232320241) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 358750 + ... + 359396.

Almost surely, 2^232320231 is an apocalyptic number.

232320231 is a deficient number, since it is larger than the sum of its proper divisors (189201177).

232320231 is a wasteful number, since it uses less digits than its factorization.

232320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 232320231 is about 15242.0546843265. The cubic root of 232320231 is about 614.7459509890.

Adding to 232320231 its reverse (132023232), we get a palindrome (364343463).

The spelling of 232320231 in words is "two hundred thirty-two million, three hundred twenty thousand, two hundred thirty-one".