123106872142884 has 72 divisors (see below), whose sum is σ = 339216438759744. Its totient is φ = 34038766468800.

The previous prime is 123106872142883. The next prime is 123106872142921. The reversal of 123106872142884 is 488241278601321.

123106872142884 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123106872142884² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123106872142883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 762436447 + ... + 762597894.

Almost surely, 2^{123106872142884} is an apocalyptic number.

123106872142884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123106872142884 is an abundant number, since it is smaller than the sum of its proper divisors (216109566616860).

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

123106872142884 is a wasteful number, since it uses less digits than its factorization.

123106872142884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525034417 (or 1525034384 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 57.

The spelling of 123106872142884 in words is "one hundred twenty-three trillion, one hundred six billion, eight hundred seventy-two million, one hundred forty-two thousand, eight hundred eighty-four".