12311321333123 has 2 divisors, whose sum is σ = 12311321333124. Its totient is φ = 12311321333122.

The previous prime is 12311321333083. The next prime is 12311321333131. The reversal of 12311321333123 is 32133312311321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12311321333123 - 2²⁶ = 12311254224259 is a prime.

It is not a weakly prime, because it can be changed into another prime (12311321333173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155660666561 + 6155660666562.

It is an arithmetic number, because the mean of its divisors is an integer number (6155660666562).

Almost surely, 2^{12311321333123} is an apocalyptic number.

12311321333123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311321333123 is an equidigital number, since it uses as much as digits as its factorization.

12311321333123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 29.

Adding to 12311321333123 its reverse (32133312311321), we get a palindrome (44444633644444).

The spelling of 12311321333123 in words is "twelve trillion, three hundred eleven billion, three hundred twenty-one million, three hundred thirty-three thousand, one hundred twenty-three".