323223110194091 has 2 divisors, whose sum is σ = 323223110194092. Its totient is φ = 323223110194090.

The previous prime is 323223110194081. The next prime is 323223110194109. The reversal of 323223110194091 is 190491011322323.

Together with next prime (323223110194109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (190491011322323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323223110194091 is a prime.

It is not a weakly prime, because it can be changed into another prime (323223110194081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161611555097045 + 161611555097046.

It is an arithmetic number, because the mean of its divisors is an integer number (161611555097046).

Almost surely, 2^{323223110194091} is an apocalyptic number.

323223110194091 is a deficient number, since it is larger than the sum of its proper divisors (1).

323223110194091 is an equidigital number, since it uses as much as digits as its factorization.

323223110194091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 323223110194091 in words is "three hundred twenty-three trillion, two hundred twenty-three billion, one hundred ten million, one hundred ninety-four thousand, ninety-one".