232555231 has 8 divisors (see below), whose sum is σ = 255438720. Its totient is φ = 210736152.

The previous prime is 232555229. The next prime is 232555237. The reversal of 232555231 is 132555232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232555231 - 2¹ = 232555229 is a prime.

It is a super-2 number, since 2×232555231² = 108163870930926722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232555231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232555237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265645 + ... + 266518.

It is an arithmetic number, because the mean of its divisors is an integer number (31929840).

Almost surely, 2^232555231 is an apocalyptic number.

232555231 is a deficient number, since it is larger than the sum of its proper divisors (22883489).

232555231 is a wasteful number, since it uses less digits than its factorization.

232555231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532205.

The product of its digits is 9000, while the sum is 28.

The square root of 232555231 is about 15249.7616702688. The cubic root of 232555231 is about 614.9531601139.

Subtracting from 232555231 its reverse (132555232), we obtain a palindrome (99999999).

The spelling of 232555231 in words is "two hundred thirty-two million, five hundred fifty-five thousand, two hundred thirty-one".