123857038 has 8 divisors (see below), whose sum is σ = 186509232. Its totient is φ = 61687296.

The previous prime is 123857021. The next prime is 123857051. The reversal of 123857038 is 830758321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 123856988 and 123857006.

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, 119970 + ... + 120997.

It is an arithmetic number, because the mean of its divisors is an integer number (23313654).

Almost surely, 2^123857038 is an apocalyptic number.

123857038 is a deficient number, since it is larger than the sum of its proper divisors (62652194).

123857038 is a wasteful number, since it uses less digits than its factorization.

123857038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241226.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 123857038 is about 11129.1076910955. The cubic root of 123857038 is about 498.4713820837.

The spelling of 123857038 in words is "one hundred twenty-three million, eight hundred fifty-seven thousand, thirty-eight".