123112143011419 has 16 divisors (see below), whose sum is σ = 123437035302336. Its totient is φ = 122787569520000.

The previous prime is 123112143011413. The next prime is 123112143011423. The reversal of 123112143011419 is 914110341211321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123112143011419 is a prime.

It is a super-2 number, since 2×123112143011419² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123112143011413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7921756789 + ... + 7921772329.

It is an arithmetic number, because the mean of its divisors is an integer number (7714814706396).

Almost surely, 2^{123112143011419} is an apocalyptic number.

123112143011419 is a deficient number, since it is larger than the sum of its proper divisors (324892290917).

123112143011419 is a wasteful number, since it uses less digits than its factorization.

123112143011419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24486.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 123112143011419 in words is "one hundred twenty-three trillion, one hundred twelve billion, one hundred forty-three million, eleven thousand, four hundred nineteen".