323122311012221 has 4 divisors (see below), whose sum is σ = 369282641156832. Its totient is φ = 276961980867612.

The previous prime is 323122311012143. The next prime is 323122311012233. The reversal of 323122311012221 is 122210113221323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323122311012221 is a prime.

It is a super-2 number, since 2×323122311012221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323122311012421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23080165072295 + ... + 23080165072308.

It is an arithmetic number, because the mean of its divisors is an integer number (92320660289208).

Almost surely, 2^{323122311012221} is an apocalyptic number.

It is an amenable number.

323122311012221 is a deficient number, since it is larger than the sum of its proper divisors (46160330144611).

323122311012221 is an equidigital number, since it uses as much as digits as its factorization.

323122311012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46160330144610.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 323122311012221 its reverse (122210113221323), we get a palindrome (445332424233544).

The spelling of 323122311012221 in words is "three hundred twenty-three trillion, one hundred twenty-two billion, three hundred eleven million, twelve thousand, two hundred twenty-one".