123223040322313 has 2 divisors, whose sum is σ = 123223040322314. Its totient is φ = 123223040322312.

The previous prime is 123223040322307. The next prime is 123223040322337. The reversal of 123223040322313 is 313223040322321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115778202560784 + 7444837761529 = 10760028^2 + 2728523^2 .

It is a cyclic number.

It is not a de Polignac number, because 123223040322313 - 2²⁵ = 123223006767881 is a prime.

It is not a weakly prime, because it can be changed into another prime (123223040322113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611520161156 + 61611520161157.

It is an arithmetic number, because the mean of its divisors is an integer number (61611520161157).

Almost surely, 2^{123223040322313} is an apocalyptic number.

It is an amenable number.

123223040322313 is a deficient number, since it is larger than the sum of its proper divisors (1).

123223040322313 is an equidigital number, since it uses as much as digits as its factorization.

123223040322313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 123223040322313 its reverse (313223040322321), we get a palindrome (436446080644634).

The spelling of 123223040322313 in words is "one hundred twenty-three trillion, two hundred twenty-three billion, forty million, three hundred twenty-two thousand, three hundred thirteen".