520323 has 8 divisors (see below), whose sum is σ = 697536. Its totient is φ = 345000.

The previous prime is 520313. The next prime is 520339. The reversal of 520323 is 323025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 520323 - 2⁴ = 520307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408 + ... + 1098.

It is an arithmetic number, because the mean of its divisors is an integer number (87192).

2⁵²⁰³²³ is an apocalyptic number.

520323 is a deficient number, since it is larger than the sum of its proper divisors (177213).

520323 is a wasteful number, since it uses less digits than its factorization.

520323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 520323 is about 721.3341805294. The cubic root of 520323 is about 80.4311616540.

Adding to 520323 its reverse (323025), we get a palindrome (843348).

The spelling of 520323 in words is "five hundred twenty thousand, three hundred twenty-three".