3240440013023 has 4 divisors (see below), whose sum is σ = 3240483044040. Its totient is φ = 3240396982008.

The previous prime is 3240440013001. The next prime is 3240440013067. The reversal of 3240440013023 is 3203100440423.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3240440013023 - 2⁸ = 3240440012767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3240440012983 and 3240440013001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240440013073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21402353 + ... + 21553226.

It is an arithmetic number, because the mean of its divisors is an integer number (810120761010).

Almost surely, 2^{3240440013023} is an apocalyptic number.

3240440013023 is a deficient number, since it is larger than the sum of its proper divisors (43031017).

3240440013023 is an equidigital number, since it uses as much as digits as its factorization.

3240440013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43031016.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 3240440013023 its reverse (3203100440423), we get a palindrome (6443540453446).

The spelling of 3240440013023 in words is "three trillion, two hundred forty billion, four hundred forty million, thirteen thousand, twenty-three".