123316838 has 8 divisors (see below), whose sum is σ = 185093832. Its totient is φ = 61618896.

The previous prime is 123316829. The next prime is 123316841. The reversal of 123316838 is 838613321.

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 = 123316798 and 123316807.

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, 15695 + ... + 22202.

It is an arithmetic number, because the mean of its divisors is an integer number (23136729).

Almost surely, 2^123316838 is an apocalyptic number.

123316838 is a deficient number, since it is larger than the sum of its proper divisors (61776994).

123316838 is a wasteful number, since it uses less digits than its factorization.

123316838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39526.

The product of its digits is 20736, while the sum is 35.

The square root of 123316838 is about 11104.8114797145. The cubic root of 123316838 is about 497.7456349525.

The spelling of 123316838 in words is "one hundred twenty-three million, three hundred sixteen thousand, eight hundred thirty-eight".