23040312465 has 16 divisors (see below), whose sum is σ = 36970746048. Its totient is φ = 12252751296.

The previous prime is 23040312433. The next prime is 23040312467. The reversal of 23040312465 is 56421304032.

It is not a de Polignac number, because 23040312465 - 2⁵ = 23040312433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23040312467) by changing a digit.

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, 2208082 + ... + 2218491.

It is an arithmetic number, because the mean of its divisors is an integer number (2310671628).

Almost surely, 2^23040312465 is an apocalyptic number.

It is an amenable number.

23040312465 is a deficient number, since it is larger than the sum of its proper divisors (13930433583).

23040312465 is a wasteful number, since it uses less digits than its factorization.

23040312465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426928.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 23040312465 its reverse (56421304032), we get a palindrome (79461616497).

The spelling of 23040312465 in words is "twenty-three billion, forty million, three hundred twelve thousand, four hundred sixty-five".