23303444240413 has 16 divisors (see below), whose sum is σ = 23440775694336. Its totient is φ = 23166312543360.

The previous prime is 23303444240369. The next prime is 23303444240449. The reversal of 23303444240413 is 31404244430332.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23303444240413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303444244413) 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, 2025852220 + ... + 2025863722.

It is an arithmetic number, because the mean of its divisors is an integer number (1465048480896).

Almost surely, 2^{23303444240413} is an apocalyptic number.

It is an amenable number.

23303444240413 is a deficient number, since it is larger than the sum of its proper divisors (137331453923).

23303444240413 is a wasteful number, since it uses less digits than its factorization.

23303444240413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19164.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 23303444240413 its reverse (31404244430332), we get a palindrome (54707688670745).

The spelling of 23303444240413 in words is "twenty-three trillion, three hundred three billion, four hundred forty-four million, two hundred forty thousand, four hundred thirteen".