123322340495209 has 2 divisors, whose sum is σ = 123322340495210. Its totient is φ = 123322340495208.

The previous prime is 123322340495173. The next prime is 123322340495213. The reversal of 123322340495209 is 902594043223321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119124738567184 + 4197601928025 = 10914428^2 + 2048805^2 .

It is a cyclic number.

It is not a de Polignac number, because 123322340495209 - 2²¹ = 123322338398057 is a prime.

It is not a weakly prime, because it can be changed into another prime (123322340495239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61661170247604 + 61661170247605.

It is an arithmetic number, because the mean of its divisors is an integer number (61661170247605).

Almost surely, 2^{123322340495209} is an apocalyptic number.

It is an amenable number.

123322340495209 is a deficient number, since it is larger than the sum of its proper divisors (1).

123322340495209 is an equidigital number, since it uses as much as digits as its factorization.

123322340495209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 49.

The spelling of 123322340495209 in words is "one hundred twenty-three trillion, three hundred twenty-two billion, three hundred forty million, four hundred ninety-five thousand, two hundred nine".