323213131338121 has 2 divisors, whose sum is σ = 323213131338122. Its totient is φ = 323213131338120.

The previous prime is 323213131338077. The next prime is 323213131338157. The reversal of 323213131338121 is 121833131312323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237464401614400 + 85748729723721 = 15409880^2 + 9260061^2 .

It is a cyclic number.

It is not a de Polignac number, because 323213131338121 - 2²⁹ = 323212594467209 is a prime.

It is not a weakly prime, because it can be changed into another prime (323213131338421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606565669060 + 161606565669061.

It is an arithmetic number, because the mean of its divisors is an integer number (161606565669061).

Almost surely, 2^{323213131338121} is an apocalyptic number.

It is an amenable number.

323213131338121 is a deficient number, since it is larger than the sum of its proper divisors (1).

323213131338121 is an equidigital number, since it uses as much as digits as its factorization.

323213131338121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The spelling of 323213131338121 in words is "three hundred twenty-three trillion, two hundred thirteen billion, one hundred thirty-one million, three hundred thirty-eight thousand, one hundred twenty-one".