123935672 has 16 divisors (see below), whose sum is σ = 265576560. Its totient is φ = 53115264.

The previous prime is 123935641. The next prime is 123935711. The reversal of 123935672 is 276539321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106513 + ... + 1106624.

It is an arithmetic number, because the mean of its divisors is an integer number (16598535).

Almost surely, 2^123935672 is an apocalyptic number.

It is an amenable number.

123935672 is an abundant number, since it is smaller than the sum of its proper divisors (141640888).

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

123935672 is a wasteful number, since it uses less digits than its factorization.

123935672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213150 (or 2213146 counting only the distinct ones).

The product of its digits is 68040, while the sum is 38.

The square root of 123935672 is about 11132.6399384872. The cubic root of 123935672 is about 498.5768491264.

The spelling of 123935672 in words is "one hundred twenty-three million, nine hundred thirty-five thousand, six hundred seventy-two".