23231162765 has 16 divisors (see below), whose sum is σ = 29099347200. Its totient is φ = 17770845312.

The previous prime is 23231162761. The next prime is 23231162771. The reversal of 23231162765 is 56726113232.

It is a cyclic number.

It is not a de Polignac number, because 23231162765 - 2² = 23231162761 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231162761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321281 + ... + 386889.

It is an arithmetic number, because the mean of its divisors is an integer number (1818709200).

Almost surely, 2^23231162765 is an apocalyptic number.

It is an amenable number.

23231162765 is a deficient number, since it is larger than the sum of its proper divisors (5868184435).

23231162765 is a wasteful number, since it uses less digits than its factorization.

23231162765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68716.

The product of its digits is 90720, while the sum is 38.

Adding to 23231162765 its reverse (56726113232), we get a palindrome (79957275997).

The spelling of 23231162765 in words is "twenty-three billion, two hundred thirty-one million, one hundred sixty-two thousand, seven hundred sixty-five".