239323207605 has 64 divisors (see below), whose sum is σ = 415874995200. Its totient is φ = 117122388480.

The previous prime is 239323207603. The next prime is 239323207621. The reversal of 239323207605 is 506702323932.

It is a happy number.

It is not a de Polignac number, because 239323207605 - 2¹ = 239323207603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239323207603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1550542 + ... + 1697888.

It is an arithmetic number, because the mean of its divisors is an integer number (6498046800).

Almost surely, 2^239323207605 is an apocalyptic number.

It is an amenable number.

239323207605 is a deficient number, since it is larger than the sum of its proper divisors (176551787595).

239323207605 is a wasteful number, since it uses less digits than its factorization.

239323207605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147554.

The product of its (nonzero) digits is 408240, while the sum is 42.

The spelling of 239323207605 in words is "two hundred thirty-nine billion, three hundred twenty-three million, two hundred seven thousand, six hundred five".