123839922 has 16 divisors (see below), whose sum is σ = 248374080. Its totient is φ = 41164272.

The previous prime is 123839899. The next prime is 123839923. The reversal of 123839922 is 229938321.

It is not an unprimeable number, because it can be changed into a prime (123839923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26593 + ... + 30900.

It is an arithmetic number, because the mean of its divisors is an integer number (15523380).

Almost surely, 2^123839922 is an apocalyptic number.

123839922 is an abundant number, since it is smaller than the sum of its proper divisors (124534158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123839922 is a wasteful number, since it uses less digits than its factorization.

123839922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57857.

The product of its digits is 46656, while the sum is 39.

The square root of 123839922 is about 11128.3386900292. The cubic root of 123839922 is about 498.4484195097.

The spelling of 123839922 in words is "one hundred twenty-three million, eight hundred thirty-nine thousand, nine hundred twenty-two".