12331342123 has 4 divisors (see below), whose sum is σ = 12366879480. Its totient is φ = 12295804768.

The previous prime is 12331342117. The next prime is 12331342159. The reversal of 12331342123 is 32124313321.

12331342123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12331342123 - 2⁵ = 12331342091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12331342193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17768158 + ... + 17768851.

It is an arithmetic number, because the mean of its divisors is an integer number (3091719870).

Almost surely, 2^12331342123 is an apocalyptic number.

12331342123 is a deficient number, since it is larger than the sum of its proper divisors (35537357).

12331342123 is an equidigital number, since it uses as much as digits as its factorization.

12331342123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35537356.

The product of its digits is 2592, while the sum is 25.

Adding to 12331342123 its reverse (32124313321), we get a palindrome (44455655444).

The spelling of 12331342123 in words is "twelve billion, three hundred thirty-one million, three hundred forty-two thousand, one hundred twenty-three".