520067032723 has 4 divisors (see below), whose sum is σ = 594362323120. Its totient is φ = 445771742328.

The previous prime is 520067032717. The next prime is 520067032739. The reversal of 520067032723 is 327230760025.

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

It is a cyclic number.

It is not a de Polignac number, because 520067032723 - 2⁹ = 520067032211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520067032223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37147645188 + ... + 37147645201.

It is an arithmetic number, because the mean of its divisors is an integer number (148590580780).

Almost surely, 2^520067032723 is an apocalyptic number.

520067032723 is a deficient number, since it is larger than the sum of its proper divisors (74295290397).

520067032723 is an equidigital number, since it uses as much as digits as its factorization.

520067032723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74295290396.

The product of its (nonzero) digits is 105840, while the sum is 37.

Adding to 520067032723 its reverse (327230760025), we get a palindrome (847297792748).

The spelling of 520067032723 in words is "five hundred twenty billion, sixty-seven million, thirty-two thousand, seven hundred twenty-three".