520334323 has 4 divisors (see below), whose sum is σ = 547720360. Its totient is φ = 492948288.

The previous prime is 520334303. The next prime is 520334333. The reversal of 520334323 is 323433025.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520334323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520334303) 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, 13692990 + ... + 13693027.

It is an arithmetic number, because the mean of its divisors is an integer number (136930090).

Almost surely, 2^520334323 is an apocalyptic number.

520334323 is a deficient number, since it is larger than the sum of its proper divisors (27386037).

520334323 is a wasteful number, since it uses less digits than its factorization.

520334323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27386036.

The product of its (nonzero) digits is 6480, while the sum is 25.

The square root of 520334323 is about 22810.8378408159. The cubic root of 520334323 is about 804.3174508359.

Adding to 520334323 its reverse (323433025), we get a palindrome (843767348).

The spelling of 520334323 in words is "five hundred twenty million, three hundred thirty-four thousand, three hundred twenty-three".