323321320323220 has 48 divisors (see below), whose sum is σ = 688799115607680. Its totient is φ = 127469495560064.

The previous prime is 323321320323217. The next prime is 323321320323233. The reversal of 323321320323220 is 22323023123323.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383042200 + ... + 383885359.

It is an arithmetic number, because the mean of its divisors is an integer number (14349981575160).

Almost surely, 2^{323321320323220} is an apocalyptic number.

It is an amenable number.

323321320323220 is an abundant number, since it is smaller than the sum of its proper divisors (365477795284460).

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

323321320323220 is a wasteful number, since it uses less digits than its factorization.

323321320323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766927872 (or 766927870 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 323321320323220 its reverse (22323023123323), we get a palindrome (345644343446543).

The spelling of 323321320323220 in words is "three hundred twenty-three trillion, three hundred twenty-one billion, three hundred twenty million, three hundred twenty-three thousand, two hundred twenty".