12311030103123 has 8 divisors (see below), whose sum is σ = 16414865529088. Its totient is φ = 8207274039624.

The previous prime is 12311030103107. The next prime is 12311030103157. The reversal of 12311030103123 is 32130103011321.

It is a happy number.

12311030103123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12311030103123 - 2⁴ = 12311030103107 is a prime.

It is a super-2 number, since 2×12311030103123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12311030103123.

It is not an unprimeable number, because it can be changed into a prime (12311030303123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19477711 + ... + 20099832.

It is an arithmetic number, because the mean of its divisors is an integer number (2051858191136).

Almost surely, 2^{12311030103123} is an apocalyptic number.

12311030103123 is a deficient number, since it is larger than the sum of its proper divisors (4103835425965).

12311030103123 is a wasteful number, since it uses less digits than its factorization.

12311030103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39681233.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 12311030103123 its reverse (32130103011321), we get a palindrome (44441133114444).

The spelling of 12311030103123 in words is "twelve trillion, three hundred eleven billion, thirty million, one hundred three thousand, one hundred twenty-three".