323130211223201 has 2 divisors, whose sum is σ = 323130211223202. Its totient is φ = 323130211223200.

The previous prime is 323130211223167. The next prime is 323130211223203. The reversal of 323130211223201 is 102322112031323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186847001301601 + 136283209921600 = 13669199^2 + 11674040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323130211223201 is a prime.

Together with 323130211223203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (323130211223203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161565105611600 + 161565105611601.

It is an arithmetic number, because the mean of its divisors is an integer number (161565105611601).

Almost surely, 2^{323130211223201} is an apocalyptic number.

It is an amenable number.

323130211223201 is a deficient number, since it is larger than the sum of its proper divisors (1).

323130211223201 is an equidigital number, since it uses as much as digits as its factorization.

323130211223201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 323130211223201 its reverse (102322112031323), we get a palindrome (425452323254524).

The spelling of 323130211223201 in words is "three hundred twenty-three trillion, one hundred thirty billion, two hundred eleven million, two hundred twenty-three thousand, two hundred one".