323202320230220 has 96 divisors (see below), whose sum is σ = 699795517319808. Its totient is φ = 125295510638592.

The previous prime is 323202320230217. The next prime is 323202320230243. The reversal of 323202320230220 is 22032023202323.

It is a self number, because there is not a number n which added to its sum of digits gives 323202320230220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264481334 + ... + 265700546.

It is an arithmetic number, because the mean of its divisors is an integer number (7289536638748).

Almost surely, 2^{323202320230220} 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 323202320230220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349897758659904).

323202320230220 is an abundant number, since it is smaller than the sum of its proper divisors (376593197089588).

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

323202320230220 is a wasteful number, since it uses less digits than its factorization.

323202320230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220659 (or 1220657 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 323202320230220 its reverse (22032023202323), we get a palindrome (345234343432543).

The spelling of 323202320230220 in words is "three hundred twenty-three trillion, two hundred two billion, three hundred twenty million, two hundred thirty thousand, two hundred twenty".