123143021112002 has 16 divisors (see below), whose sum is σ = 198963198208512. Its totient is φ = 56994666152160.

The previous prime is 123143021111939. The next prime is 123143021112043. The reversal of 123143021112002 is 200211120341321.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43177775963 + ... + 43177778814.

It is an arithmetic number, because the mean of its divisors is an integer number (12435199888032).

Almost surely, 2^{123143021112002} is an apocalyptic number.

123143021112002 is a deficient number, since it is larger than the sum of its proper divisors (75820177096510).

123143021112002 is a wasteful number, since it uses less digits than its factorization.

123143021112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86355554833.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 123143021112002 its reverse (200211120341321), we get a palindrome (323354141453323).

The spelling of 123143021112002 in words is "one hundred twenty-three trillion, one hundred forty-three billion, twenty-one million, one hundred twelve thousand, two".