123672732 has 24 divisors (see below), whose sum is σ = 293462400. Its totient is φ = 40525296.

The previous prime is 123672713. The next prime is 123672743. The reversal of 123672732 is 237276321.

It is a junction number, because it is equal to n+sod(n) for n = 123672693 and 123672702.

It is a congruent number.

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, 86632 + ... + 88047.

It is an arithmetic number, because the mean of its divisors is an integer number (12227600).

Almost surely, 2^123672732 is an apocalyptic number.

123672732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123672732 is an abundant number, since it is smaller than the sum of its proper divisors (169789668).

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

123672732 is a wasteful number, since it uses less digits than its factorization.

123672732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174745 (or 174743 counting only the distinct ones).

The product of its digits is 21168, while the sum is 33.

The square root of 123672732 is about 11120.8242500275. The cubic root of 123672732 is about 498.2240085108.

The spelling of 123672732 in words is "one hundred twenty-three million, six hundred seventy-two thousand, seven hundred thirty-two".