313120012123 has 2 divisors, whose sum is σ = 313120012124. Its totient is φ = 313120012122.

The previous prime is 313120012111. The next prime is 313120012157. The reversal of 313120012123 is 321210021313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313120012123 - 2¹⁷ = 313119881051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313120012123.

It is not a weakly prime, because it can be changed into another prime (313120012223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156560006061 + 156560006062.

It is an arithmetic number, because the mean of its divisors is an integer number (156560006062).

Almost surely, 2^313120012123 is an apocalyptic number.

313120012123 is a deficient number, since it is larger than the sum of its proper divisors (1).

313120012123 is an equidigital number, since it uses as much as digits as its factorization.

313120012123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 313120012123 its reverse (321210021313), we get a palindrome (634330033436).

The spelling of 313120012123 in words is "three hundred thirteen billion, one hundred twenty million, twelve thousand, one hundred twenty-three".