232321232 has 80 divisors (see below), whose sum is σ = 538090560. Its totient is φ = 95769600.

The previous prime is 232321231. The next prime is 232321253. The reversal of 232321232 is 232123232.

232321232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

232321232 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232321231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134132 + ... + 135852.

It is an arithmetic number, because the mean of its divisors is an integer number (6726132).

Almost surely, 2^232321232 is an apocalyptic number.

232321232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232321232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269045280).

232321232 is an abundant number, since it is smaller than the sum of its proper divisors (305769328).

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

232321232 is a wasteful number, since it uses less digits than its factorization.

232321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812 (or 1806 counting only the distinct ones).

The product of its digits is 864, while the sum is 20.

The square root of 232321232 is about 15242.0875210714. The cubic root of 232321232 is about 614.7468339080.

Adding to 232321232 its reverse (232123232), we get a palindrome (464444464).

The spelling of 232321232 in words is "two hundred thirty-two million, three hundred twenty-one thousand, two hundred thirty-two".