232405331 has 8 divisors (see below), whose sum is σ = 235115760. Its totient is φ = 229705632.

The previous prime is 232405297. The next prime is 232405337. The reversal of 232405331 is 133504232.

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 232405331 - 2¹⁸ = 232143187 is a prime.

It is a super-2 number, since 2×232405331² = 108024475754439122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232405297 and 232405306.

It is not an unprimeable number, because it can be changed into a prime (232405337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45881 + ... + 50693.

It is an arithmetic number, because the mean of its divisors is an integer number (29389470).

Almost surely, 2^232405331 is an apocalyptic number.

232405331 is a deficient number, since it is larger than the sum of its proper divisors (2710429).

232405331 is a wasteful number, since it uses less digits than its factorization.

232405331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 232405331 is about 15244.8460471072. The cubic root of 232405331 is about 614.8210032761.

Adding to 232405331 its reverse (133504232), we get a palindrome (365909563).

The spelling of 232405331 in words is "two hundred thirty-two million, four hundred five thousand, three hundred thirty-one".