518323113 has 24 divisors (see below), whose sum is σ = 933431616. Its totient is φ = 269258400.

The previous prime is 518323111. The next prime is 518323129. The reversal of 518323113 is 311323815.

518323113 is a `hidden beast` number, since 518 + 32 + 3 + 113 = 666.

It is not a de Polignac number, because 518323113 - 2¹ = 518323111 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (518323111) 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 23 ways as a sum of consecutive naturals, for example, 373278 + ... + 374663.

It is an arithmetic number, because the mean of its divisors is an integer number (38892984).

Almost surely, 2^518323113 is an apocalyptic number.

It is an amenable number.

518323113 is a deficient number, since it is larger than the sum of its proper divisors (415108503).

518323113 is a wasteful number, since it uses less digits than its factorization.

518323113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747965 (or 747962 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 518323113 is about 22766.7106319732. The cubic root of 518323113 is about 803.2798230955.

Adding to 518323113 its reverse (311323815), we get a palindrome (829646928).

It can be divided in two parts, 51832 and 3113, that added together give a palindrome (54945).

The spelling of 518323113 in words is "five hundred eighteen million, three hundred twenty-three thousand, one hundred thirteen".