123304539 has 8 divisors (see below), whose sum is σ = 165357072. Its totient is φ = 81727520.

The previous prime is 123304523. The next prime is 123304561. The reversal of 123304539 is 935403321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123304539 - 2⁴ = 123304523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123303539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118272 + ... + 119309.

It is an arithmetic number, because the mean of its divisors is an integer number (20669634).

Almost surely, 2^123304539 is an apocalyptic number.

123304539 is a deficient number, since it is larger than the sum of its proper divisors (42052533).

123304539 is a wasteful number, since it uses less digits than its factorization.

123304539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237757.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 123304539 is about 11104.2576969377. The cubic root of 123304539 is about 497.7290868553.

The spelling of 123304539 in words is "one hundred twenty-three million, three hundred four thousand, five hundred thirty-nine".