232320311132 has 48 divisors (see below), whose sum is σ = 512586685632. Its totient is φ = 89665297920.

The previous prime is 232320311123. The next prime is 232320311137. The reversal of 232320311132 is 231113023232.

It is a junction number, because it is equal to n+sod(n) for n = 232320311098 and 232320311107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232320311137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7768523 + ... + 7798370.

It is an arithmetic number, because the mean of its divisors is an integer number (10678889284).

Almost surely, 2^232320311132 is an apocalyptic number.

It is an amenable number.

232320311132 is an abundant number, since it is smaller than the sum of its proper divisors (280266374500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232320311132 is a wasteful number, since it uses less digits than its factorization.

232320311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15566958 (or 15566956 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 232320311132 its reverse (231113023232), we get a palindrome (463433334364).

The spelling of 232320311132 in words is "two hundred thirty-two billion, three hundred twenty million, three hundred eleven thousand, one hundred thirty-two".