323212212309913 has 2 divisors, whose sum is σ = 323212212309914. Its totient is φ = 323212212309912.

The previous prime is 323212212309781. The next prime is 323212212309953. The reversal of 323212212309913 is 319903212212323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171956355183369 + 151255857126544 = 13113213^2 + 12298612^2 .

It is a cyclic number.

It is not a de Polignac number, because 323212212309913 - 2⁴⁵ = 288027840221081 is a prime.

It is a super-2 number, since 2×323212212309913² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323212212309913.

It is not a weakly prime, because it can be changed into another prime (323212212309953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606106154956 + 161606106154957.

It is an arithmetic number, because the mean of its divisors is an integer number (161606106154957).

Almost surely, 2^{323212212309913} is an apocalyptic number.

It is an amenable number.

323212212309913 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212212309913 is an equidigital number, since it uses as much as digits as its factorization.

323212212309913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 323212212309913 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred twelve million, three hundred nine thousand, nine hundred thirteen".