123672930 has 32 divisors (see below), whose sum is σ = 297126144. Its totient is φ = 32944896.

The previous prime is 123672929. The next prime is 123672947. The reversal of 123672930 is 39276321.

It is a happy number.

It is a super-2 number, since 2×123672930² = 30589987229569800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123672891 and 123672900.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41242 + ... + 44138.

It is an arithmetic number, because the mean of its divisors is an integer number (9285192).

Almost surely, 2^123672930 is an apocalyptic number.

123672930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123672930 is an abundant number, since it is smaller than the sum of its proper divisors (173453214).

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

123672930 is a wasteful number, since it uses less digits than its factorization.

123672930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 123672930 is about 11120.8331522418. The cubic root of 123672930 is about 498.2242743961.

The spelling of 123672930 in words is "one hundred twenty-three million, six hundred seventy-two thousand, nine hundred thirty".