123394672 has 20 divisors (see below), whose sum is σ = 240464520. Its totient is φ = 61339328.

The previous prime is 123394639. The next prime is 123394697. The reversal of 123394672 is 276493321.

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, 19522 + ... + 25057.

It is an arithmetic number, because the mean of its divisors is an integer number (12023226).

Almost surely, 2^123394672 is an apocalyptic number.

It is an amenable number.

123394672 is a deficient number, since it is larger than the sum of its proper divisors (117069848).

123394672 is a wasteful number, since it uses less digits than its factorization.

123394672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44760 (or 44754 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 123394672 is about 11108.3154438466. The cubic root of 123394672 is about 497.8503337820.

The spelling of 123394672 in words is "one hundred twenty-three million, three hundred ninety-four thousand, six hundred seventy-two".