123883690734672 has 120 divisors (see below), whose sum is σ = 353929775607072. Its totient is φ = 37310202167040.

The previous prime is 123883690734649. The next prime is 123883690734677. The reversal of 123883690734672 is 276437096388321.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 123883690734597 and 123883690734606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123883690734677) 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, 64482243 + ... + 66375650.

Almost surely, 2^{123883690734672} is an apocalyptic number.

123883690734672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123883690734672 is an abundant number, since it is smaller than the sum of its proper divisors (230046084872400).

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

123883690734672 is a wasteful number, since it uses less digits than its factorization.

123883690734672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130858089 (or 130858072 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 69.

The spelling of 123883690734672 in words is "one hundred twenty-three trillion, eight hundred eighty-three billion, six hundred ninety million, seven hundred thirty-four thousand, six hundred seventy-two".