520314023 has 2 divisors, whose sum is σ = 520314024. Its totient is φ = 520314022.

The previous prime is 520314001. The next prime is 520314071. The reversal of 520314023 is 320413025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520314023 - 2²⁸ = 251878567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520313986 and 520314004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520314083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260157011 + 260157012.

It is an arithmetic number, because the mean of its divisors is an integer number (260157012).

Almost surely, 2^520314023 is an apocalyptic number.

520314023 is a deficient number, since it is larger than the sum of its proper divisors (1).

520314023 is an equidigital number, since it uses as much as digits as its factorization.

520314023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 520314023 is about 22810.3928725482. The cubic root of 520314023 is about 804.3069909861.

Adding to 520314023 its reverse (320413025), we get a palindrome (840727048).

The spelling of 520314023 in words is "five hundred twenty million, three hundred fourteen thousand, twenty-three".