23232436565 has 16 divisors (see below), whose sum is σ = 30033713136. Its totient is φ = 17150400000.

The previous prime is 23232436541. The next prime is 23232436613. The reversal of 23232436565 is 56563423232.

It can be written as a sum of positive squares in 8 ways, for example, as 529782289 + 22702654276 = 23017^2 + 150674^2 .

It is not a de Polignac number, because 23232436565 - 2⁶ = 23232436501 is a prime.

It is a super-2 number, since 2×23232436565² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 135515 + ... + 254615.

It is an arithmetic number, because the mean of its divisors is an integer number (1877107071).

Almost surely, 2^23232436565 is an apocalyptic number.

It is an amenable number.

23232436565 is a deficient number, since it is larger than the sum of its proper divisors (6801276571).

23232436565 is a wasteful number, since it uses less digits than its factorization.

23232436565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122120.

The product of its digits is 777600, while the sum is 41.

Adding to 23232436565 its reverse (56563423232), we get a palindrome (79795859797).

The spelling of 23232436565 in words is "twenty-three billion, two hundred thirty-two million, four hundred thirty-six thousand, five hundred sixty-five".