323020432 has 40 divisors (see below), whose sum is σ = 720440000. Its totient is φ = 137434752.

The previous prime is 323020421. The next prime is 323020447. The reversal of 323020432 is 234020323.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5194 + ... + 25942.

It is an arithmetic number, because the mean of its divisors is an integer number (18011000).

Almost surely, 2^323020432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323020432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360220000).

323020432 is an abundant number, since it is smaller than the sum of its proper divisors (397419568).

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

323020432 is a wasteful number, since it uses less digits than its factorization.

323020432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20903 (or 20897 counting only the distinct ones).

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

The square root of 323020432 is about 17972.7691800679. The cubic root of 323020432 is about 686.1356705942.

Adding to 323020432 its reverse (234020323), we get a palindrome (557040755).

The spelling of 323020432 in words is "three hundred twenty-three million, twenty thousand, four hundred thirty-two".