123112031244323 has 8 divisors (see below), whose sum is σ = 134709786457536. Its totient is φ = 111581901426600.

The previous prime is 123112031244289. The next prime is 123112031244347. The reversal of 123112031244323 is 323442130211321.

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

It is a de Polignac number, because none of the positive numbers 2^k-123112031244323 is a prime.

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 123112031244323.

It is not an unprimeable number, because it can be changed into a prime (123112031244353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16906345061 + ... + 16906352342.

It is an arithmetic number, because the mean of its divisors is an integer number (16838723307192).

Almost surely, 2^{123112031244323} is an apocalyptic number.

123112031244323 is a deficient number, since it is larger than the sum of its proper divisors (11597755213213).

123112031244323 is a wasteful number, since it uses less digits than its factorization.

123112031244323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33812697745.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 123112031244323 its reverse (323442130211321), we get a palindrome (446554161455644).

The spelling of 123112031244323 in words is "one hundred twenty-three trillion, one hundred twelve billion, thirty-one million, two hundred forty-four thousand, three hundred twenty-three".