232321310320 has 160 divisors (see below), whose sum is σ = 597831736320. Its totient is φ = 83254379520.

The previous prime is 232321310303. The next prime is 232321310323. The reversal of 232321310320 is 23013123232.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 232321310291 and 232321310300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232321310323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40805394 + ... + 40811086.

It is an arithmetic number, because the mean of its divisors is an integer number (3736448352).

Almost surely, 2^232321310320 is an apocalyptic number.

232321310320 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 232321310320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298915868160).

232321310320 is an abundant number, since it is smaller than the sum of its proper divisors (365510426000).

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

232321310320 is a wasteful number, since it uses less digits than its factorization.

232321310320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383 (or 6377 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 232321310320 its reverse (23013123232), we get a palindrome (255334433552).

The spelling of 232321310320 in words is "two hundred thirty-two billion, three hundred twenty-one million, three hundred ten thousand, three hundred twenty".