232443631 has 4 divisors (see below), whose sum is σ = 265649872. Its totient is φ = 199237392.

The previous prime is 232443593. The next prime is 232443641. The reversal of 232443631 is 136344232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232443631 - 2⁹ = 232443119 is a prime.

It is a super-2 number, since 2×232443631² = 108060083184928322, 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 232443631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232443641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16603110 + ... + 16603123.

It is an arithmetic number, because the mean of its divisors is an integer number (66412468).

Almost surely, 2^232443631 is an apocalyptic number.

232443631 is a deficient number, since it is larger than the sum of its proper divisors (33206241).

232443631 is an equidigital number, since it uses as much as digits as its factorization.

232443631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33206240.

The product of its digits is 10368, while the sum is 28.

The square root of 232443631 is about 15246.1021576008. The cubic root of 232443631 is about 614.8547752366.

Adding to 232443631 its reverse (136344232), we get a palindrome (368787863).

The spelling of 232443631 in words is "two hundred thirty-two million, four hundred forty-three thousand, six hundred thirty-one".