518538323 has 2 divisors, whose sum is σ = 518538324. Its totient is φ = 518538322.

The previous prime is 518538283. The next prime is 518538389. The reversal of 518538323 is 323835815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 518538323 - 2¹² = 518534227 is a prime.

It is not a weakly prime, because it can be changed into another prime (518531323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259269161 + 259269162.

It is an arithmetic number, because the mean of its divisors is an integer number (259269162).

Almost surely, 2^518538323 is an apocalyptic number.

518538323 is a deficient number, since it is larger than the sum of its proper divisors (1).

518538323 is an equidigital number, since it uses as much as digits as its factorization.

518538323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 38.

The square root of 518538323 is about 22771.4365598660. The cubic root of 518538323 is about 803.3909827987.

The spelling of 518538323 in words is "five hundred eighteen million, five hundred thirty-eight thousand, three hundred twenty-three".