12310320311123 has 2 divisors, whose sum is σ = 12310320311124. Its totient is φ = 12310320311122.

The previous prime is 12310320311039. The next prime is 12310320311143. The reversal of 12310320311123 is 32111302301321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12310320311123 - 2¹⁸ = 12310320048979 is a prime.

It is a super-2 number, since 2×12310320311123² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12310320311143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155160155561 + 6155160155562.

It is an arithmetic number, because the mean of its divisors is an integer number (6155160155562).

Almost surely, 2^{12310320311123} is an apocalyptic number.

12310320311123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310320311123 is an equidigital number, since it uses as much as digits as its factorization.

12310320311123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12310320311123 its reverse (32111302301321), we get a palindrome (44421622612444).

The spelling of 12310320311123 in words is "twelve trillion, three hundred ten billion, three hundred twenty million, three hundred eleven thousand, one hundred twenty-three".