232320330 has 96 divisors (see below), whose sum is σ = 669921408. Its totient is φ = 55382400.

The previous prime is 232320323. The next prime is 232320331. The reversal of 232320330 is 33023232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (232320331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58467 + ... + 62313.

It is an arithmetic number, because the mean of its divisors is an integer number (6978348).

Almost surely, 2^232320330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232320330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334960704).

232320330 is an abundant number, since it is smaller than the sum of its proper divisors (437601078).

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

232320330 is a wasteful number, since it uses less digits than its factorization.

232320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932 (or 3929 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 232320330 is about 15242.0579319198. The cubic root of 232320330 is about 614.7460383108.

Adding to 232320330 its reverse (33023232), we get a palindrome (265343562).

The spelling of 232320330 in words is "two hundred thirty-two million, three hundred twenty thousand, three hundred thirty".