232331320 has 64 divisors (see below), whose sum is σ = 568260000. Its totient is φ = 84976128.

The previous prime is 232331317. The next prime is 232331339. The reversal of 232331320 is 23133232.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54631 + ... + 58729.

Almost surely, 2^232331320 is an apocalyptic number.

232331320 is a gapful number since it is divisible by the number (20) 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 232331320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284130000).

232331320 is an abundant number, since it is smaller than the sum of its proper divisors (335928680).

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

232331320 is a wasteful number, since it uses less digits than its factorization.

232331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232 (or 4228 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 232331320 is about 15242.4184432786. The cubic root of 232331320 is about 614.7557317549.

Adding to 232331320 its reverse (23133232), we get a palindrome (255464552).

The spelling of 232331320 in words is "two hundred thirty-two million, three hundred thirty-one thousand, three hundred twenty".