23081213563239 has 16 divisors (see below), whose sum is σ = 33143183061632. Its totient is φ = 14203426150368.

The previous prime is 23081213563229. The next prime is 23081213563241. The reversal of 23081213563239 is 93236531218032.

It is a de Polignac number, because none of the positive numbers 2^k-23081213563239 is a prime.

It is a super-5 number, since 5×23081213563239⁵ (a number of 68 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23081213563229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6868717 + ... + 9661350.

It is an arithmetic number, because the mean of its divisors is an integer number (2071448941352).

Almost surely, 2^{23081213563239} is an apocalyptic number.

23081213563239 is a deficient number, since it is larger than the sum of its proper divisors (10061969498393).

23081213563239 is a wasteful number, since it uses less digits than its factorization.

23081213563239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16565886.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 23081213563239 in words is "twenty-three trillion, eighty-one billion, two hundred thirteen million, five hundred sixty-three thousand, two hundred thirty-nine".