323421056 has 96 divisors (see below), whose sum is σ = 782850000. Its totient is φ = 130351104.

The previous prime is 323421031. The next prime is 323421061. The reversal of 323421056 is 650124323.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258320 + ... + 259568.

Almost surely, 2^323421056 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 323421056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391425000).

323421056 is an abundant number, since it is smaller than the sum of its proper divisors (459428944).

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

323421056 is a wasteful number, since it uses less digits than its factorization.

323421056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 323421056 is about 17983.9110318084. The cubic root of 323421056 is about 686.4192118479.

Adding to 323421056 its reverse (650124323), we get a palindrome (973545379).

The spelling of 323421056 in words is "three hundred twenty-three million, four hundred twenty-one thousand, fifty-six".