12303331123 has 4 divisors (see below), whose sum is σ = 12305152288. Its totient is φ = 12301509960.

The previous prime is 12303331111. The next prime is 12303331129. The reversal of 12303331123 is 32113330321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32113330321 = 50893 ⋅630997.

It is a cyclic number.

It is not a de Polignac number, because 12303331123 - 2⁵ = 12303331091 is a prime.

It is a super-2 number, since 2×12303331123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12303331094 and 12303331103.

It is not an unprimeable number, because it can be changed into a prime (12303331129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900411 + ... + 913972.

It is an arithmetic number, because the mean of its divisors is an integer number (3076288072).

Almost surely, 2^12303331123 is an apocalyptic number.

12303331123 is a deficient number, since it is larger than the sum of its proper divisors (1821165).

12303331123 is an equidigital number, since it uses as much as digits as its factorization.

12303331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821164.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 12303331123 its reverse (32113330321), we get a palindrome (44416661444).

The spelling of 12303331123 in words is "twelve billion, three hundred three million, three hundred thirty-one thousand, one hundred twenty-three".