123818338 has 32 divisors (see below), whose sum is σ = 222206976. Its totient is φ = 50593488.

The previous prime is 123818291. The next prime is 123818341. The reversal of 123818338 is 833818321.

It is a junction number, because it is equal to n+sod(n) for n = 123818297 and 123818306.

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, 180945 + ... + 181627.

It is an arithmetic number, because the mean of its divisors is an integer number (6943968).

Almost surely, 2^123818338 is an apocalyptic number.

123818338 is a deficient number, since it is larger than the sum of its proper divisors (98388638).

123818338 is a wasteful number, since it uses less digits than its factorization.

123818338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278.

The product of its digits is 27648, while the sum is 37.

The square root of 123818338 is about 11127.3688713909. The cubic root of 123818338 is about 498.4194597160.

The spelling of 123818338 in words is "one hundred twenty-three million, eight hundred eighteen thousand, three hundred thirty-eight".