323311231223191 has 2 divisors, whose sum is σ = 323311231223192. Its totient is φ = 323311231223190.

The previous prime is 323311231223173. The next prime is 323311231223251. The reversal of 323311231223191 is 191322132113323.

It is a weak prime.

It is an emirp because it is prime and its reverse (191322132113323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323311231223191 - 2⁵ = 323311231223159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323311231223191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323311231223111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161655615611595 + 161655615611596.

It is an arithmetic number, because the mean of its divisors is an integer number (161655615611596).

Almost surely, 2^{323311231223191} is an apocalyptic number.

323311231223191 is a deficient number, since it is larger than the sum of its proper divisors (1).

323311231223191 is an equidigital number, since it uses as much as digits as its factorization.

323311231223191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 37.

The spelling of 323311231223191 in words is "three hundred twenty-three trillion, three hundred eleven billion, two hundred thirty-one million, two hundred twenty-three thousand, one hundred ninety-one".