23040020424413 has 4 divisors (see below), whose sum is σ = 23044460595420. Its totient is φ = 23035580253408.

The previous prime is 23040020424401. The next prime is 23040020424457. The reversal of 23040020424413 is 31442402004032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17321594734084 + 5718425690329 = 4161922^2 + 2391323^2 .

It is a cyclic number.

It is not a de Polignac number, because 23040020424413 - 2¹⁰ = 23040020423389 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 (23040020424913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2220077720 + ... + 2220088097.

It is an arithmetic number, because the mean of its divisors is an integer number (5761115148855).

Almost surely, 2^{23040020424413} is an apocalyptic number.

It is an amenable number.

23040020424413 is a deficient number, since it is larger than the sum of its proper divisors (4440171007).

23040020424413 is an equidigital number, since it uses as much as digits as its factorization.

23040020424413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440171006.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 23040020424413 its reverse (31442402004032), we get a palindrome (54482422428445).

The spelling of 23040020424413 in words is "twenty-three trillion, forty billion, twenty million, four hundred twenty-four thousand, four hundred thirteen".