123439364 has 12 divisors (see below), whose sum is σ = 216462288. Its totient is φ = 61593000.

The previous prime is 123439357. The next prime is 123439391. The reversal of 123439364 is 463934321.

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, 29462 + ... + 33389.

It is an arithmetic number, because the mean of its divisors is an integer number (18038524).

Almost surely, 2^123439364 is an apocalyptic number.

It is an amenable number.

123439364 is a deficient number, since it is larger than the sum of its proper divisors (93022924).

123439364 is a wasteful number, since it uses less digits than its factorization.

123439364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63346 (or 63344 counting only the distinct ones).

The product of its digits is 46656, while the sum is 35.

The square root of 123439364 is about 11110.3269078817. The cubic root of 123439364 is about 497.9104315725.

The spelling of 123439364 in words is "one hundred twenty-three million, four hundred thirty-nine thousand, three hundred sixty-four".