323122313323021 has 4 divisors (see below), whose sum is σ = 323823229404444. Its totient is φ = 322421397241600.

The previous prime is 323122313323013. The next prime is 323122313323031. The reversal of 323122313323021 is 120323313221323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207742813317796 + 115379500005225 = 14413286^2 + 10741485^2 .

It is a cyclic number.

It is not a de Polignac number, because 323122313323021 - 2³ = 323122313323013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323122313323031) 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, 350458040020 + ... + 350458040941.

It is an arithmetic number, because the mean of its divisors is an integer number (80955807351111).

Almost surely, 2^{323122313323021} is an apocalyptic number.

It is an amenable number.

323122313323021 is a deficient number, since it is larger than the sum of its proper divisors (700916081423).

323122313323021 is an equidigital number, since it uses as much as digits as its factorization.

323122313323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700916081422.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 323122313323021 its reverse (120323313221323), we get a palindrome (443445626544344).

The spelling of 323122313323021 in words is "three hundred twenty-three trillion, one hundred twenty-two billion, three hundred thirteen million, three hundred twenty-three thousand, twenty-one".