518323 has 6 divisors (see below), whose sum is σ = 561444. Its totient is φ = 478296.

The previous prime is 518311. The next prime is 518327. The reversal of 518323 is 323815.

It is not a de Polignac number, because 518323 - 2⁵ = 518291 is a prime.

518323 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 518294 and 518303.

It is not an unprimeable number, because it can be changed into a prime (518327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1365 + ... + 1702.

It is an arithmetic number, because the mean of its divisors is an integer number (93574).

2⁵¹⁸³²³ is an apocalyptic number.

518323 is a deficient number, since it is larger than the sum of its proper divisors (43121).

518323 is a wasteful number, since it uses less digits than its factorization.

518323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093 (or 3080 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 518323 is about 719.9465257920. The cubic root of 518323 is about 80.3279764721.

It can be divided in two parts, 518 and 323, that added together give a square (841 = 29²).

The spelling of 518323 in words is "five hundred eighteen thousand, three hundred twenty-three".