123085838 has 24 divisors (see below), whose sum is σ = 196321680. Its totient is φ = 57866400.

The previous prime is 123085829. The next prime is 123085849. The reversal of 123085838 is 838580321.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108458 + ... + 109586.

It is an arithmetic number, because the mean of its divisors is an integer number (8180070).

Almost surely, 2^123085838 is an apocalyptic number.

123085838 is a deficient number, since it is larger than the sum of its proper divisors (73235842).

123085838 is a wasteful number, since it uses less digits than its factorization.

123085838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 123085838 is about 11094.4057073824. The cubic root of 123085838 is about 497.4346444117.

The spelling of 123085838 in words is "one hundred twenty-three million, eighty-five thousand, eight hundred thirty-eight".