123112143011400 has 96 divisors (see below), whose sum is σ = 390956122519200. Its totient is φ = 32029175411200.

The previous prime is 123112143011369. The next prime is 123112143011413. The reversal of 123112143011400 is 4110341211321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2502254730 + ... + 2502303929.

It is an arithmetic number, because the mean of its divisors is an integer number (4072459609575).

Almost surely, 2^{123112143011400} is an apocalyptic number.

123112143011400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123112143011400 is an abundant number, since it is smaller than the sum of its proper divisors (267843979507800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123112143011400 is a wasteful number, since it uses less digits than its factorization.

123112143011400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004558719 (or 5004558710 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 123112143011400 its reverse (4110341211321), we get a palindrome (127222484222721).

The spelling of 123112143011400 in words is "one hundred twenty-three trillion, one hundred twelve billion, one hundred forty-three million, eleven thousand, four hundred".