520376723 has 2 divisors, whose sum is σ = 520376724. Its totient is φ = 520376722.

The previous prime is 520376711. The next prime is 520376729. The reversal of 520376723 is 327673025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520376723 - 2¹⁰ = 520375699 is a prime.

It is not a weakly prime, because it can be changed into another prime (520376729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260188361 + 260188362.

It is an arithmetic number, because the mean of its divisors is an integer number (260188362).

Almost surely, 2^520376723 is an apocalyptic number.

520376723 is a deficient number, since it is larger than the sum of its proper divisors (1).

520376723 is an equidigital number, since it uses as much as digits as its factorization.

520376723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 520376723 is about 22811.7672046687. The cubic root of 520376723 is about 804.3392971324.

The spelling of 520376723 in words is "five hundred twenty million, three hundred seventy-six thousand, seven hundred twenty-three".