323221212322320 has 160 divisors (see below), whose sum is σ = 1079072166961152. Its totient is φ = 79561364391936.

The previous prime is 323221212322319. The next prime is 323221212322391. The reversal of 323221212322320 is 23223212122323.

It is a happy number.

It is a super-2 number, since 2×323221212322320² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358340209 + ... + 359241071.

Almost surely, 2^{323221212322320} is an apocalyptic number.

323221212322320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323221212322320 is an abundant number, since it is smaller than the sum of its proper divisors (755850954638832).

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

323221212322320 is a wasteful number, since it uses less digits than its factorization.

323221212322320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015889 (or 1015883 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 323221212322320 its reverse (23223212122323), we get a palindrome (346444424444643).

The spelling of 323221212322320 in words is "three hundred twenty-three trillion, two hundred twenty-one billion, two hundred twelve million, three hundred twenty-two thousand, three hundred twenty".