239165235241023 has 64 divisors (see below), whose sum is σ = 395156804216832. Its totient is φ = 125291839219200.

The previous prime is 239165235241021. The next prime is 239165235241027. The reversal of 239165235241023 is 320142532561932.

It is a Cunningham number, because it is equal to 15464968²-1.

It is not a de Polignac number, because 239165235241023 - 2¹ = 239165235241021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239165235241021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 200449765 + ... + 201639377.

It is an arithmetic number, because the mean of its divisors is an integer number (6174325065888).

Almost surely, 2^{239165235241023} is an apocalyptic number.

239165235241023 is a deficient number, since it is larger than the sum of its proper divisors (155991568975809).

239165235241023 is a wasteful number, since it uses less digits than its factorization.

239165235241023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194664.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 239165235241023 in words is "two hundred thirty-nine trillion, one hundred sixty-five billion, two hundred thirty-five million, two hundred forty-one thousand, twenty-three".