520242235525023 has 32 divisors (see below), whose sum is σ = 756997410624000. Its totient is φ = 315181082620800.

The previous prime is 520242235524997. The next prime is 520242235525027. The reversal of 520242235525023 is 320525532242025.

It is not a de Polignac number, because 520242235525023 - 2⁹ = 520242235524511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520242235525027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 999669198 + ... + 1000189476.

It is an arithmetic number, because the mean of its divisors is an integer number (23656169082000).

Almost surely, 2^{520242235525023} is an apocalyptic number.

520242235525023 is a deficient number, since it is larger than the sum of its proper divisors (236755175098977).

520242235525023 is a wasteful number, since it uses less digits than its factorization.

520242235525023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531503.

The product of its (nonzero) digits is 1440000, while the sum is 42.

Adding to 520242235525023 its reverse (320525532242025), we get a palindrome (840767767767048).

The spelling of 520242235525023 in words is "five hundred twenty trillion, two hundred forty-two billion, two hundred thirty-five million, five hundred twenty-five thousand, twenty-three".