123239606 has 12 divisors (see below), whose sum is σ = 215040708. Its totient is φ = 52816932.

The previous prime is 123239561. The next prime is 123239617. The reversal of 123239606 is 606932321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628676 + ... + 628871.

It is an arithmetic number, because the mean of its divisors is an integer number (17920059).

Almost surely, 2^123239606 is an apocalyptic number.

123239606 is a deficient number, since it is larger than the sum of its proper divisors (91801102).

123239606 is a wasteful number, since it uses less digits than its factorization.

123239606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257563 (or 1257556 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 123239606 is about 11101.3335235007. Note that the first 3 decimals coincide. The cubic root of 123239606 is about 497.6417023522.

The spelling of 123239606 in words is "one hundred twenty-three million, two hundred thirty-nine thousand, six hundred six".