320232232 has 32 divisors (see below), whose sum is σ = 652435200. Its totient is φ = 146793600.

The previous prime is 320232229. The next prime is 320232233. The reversal of 320232232 is 232232023.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (320232233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29269 + ... + 38692.

It is an arithmetic number, because the mean of its divisors is an integer number (20388600).

Almost surely, 2^320232232 is an apocalyptic number.

It is an amenable number.

320232232 is an abundant number, since it is smaller than the sum of its proper divisors (332202968).

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

320232232 is a wasteful number, since it uses less digits than its factorization.

320232232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68017 (or 68013 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 320232232 is about 17895.0337244723. The cubic root of 320232232 is about 684.1558016325.

Adding to 320232232 its reverse (232232023), we get a palindrome (552464255).

The spelling of 320232232 in words is "three hundred twenty million, two hundred thirty-two thousand, two hundred thirty-two".