323222203000021 has 16 divisors (see below), whose sum is σ = 348187784822640. Its totient is φ = 298271250063360.

The previous prime is 323222203000001. The next prime is 323222203000063. The reversal of 323222203000021 is 120000302222323.

It can be written as a sum of positive squares in 8 ways, for example, as 21086923202500 + 302135279797521 = 4592050^2 + 17382039^2 .

It is a cyclic number.

It is not a de Polignac number, because 323222203000021 - 2³⁷ = 323084764046549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323222202999956 and 323222203000001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323222203000001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854324131 + ... + 854702383.

It is an arithmetic number, because the mean of its divisors is an integer number (21761736551415).

Almost surely, 2^{323222203000021} is an apocalyptic number.

It is an amenable number.

323222203000021 is a deficient number, since it is larger than the sum of its proper divisors (24965581822619).

323222203000021 is a wasteful number, since it uses less digits than its factorization.

323222203000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397416.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 323222203000021 its reverse (120000302222323), we get a palindrome (443222505222344).

The spelling of 323222203000021 in words is "three hundred twenty-three trillion, two hundred twenty-two billion, two hundred three million, twenty-one", and thus it is an aban number.