518063008123 has 2 divisors, whose sum is σ = 518063008124. Its totient is φ = 518063008122.

The previous prime is 518063008121. The next prime is 518063008159. The reversal of 518063008123 is 321800360815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 518063008123 - 2¹ = 518063008121 is a prime.

It is a super-3 number, since 3×518063008123³ (a number of 36 digits) contains 333 as substring.

Together with 518063008121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (518063008121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259031504061 + 259031504062.

It is an arithmetic number, because the mean of its divisors is an integer number (259031504062).

Almost surely, 2^518063008123 is an apocalyptic number.

518063008123 is a deficient number, since it is larger than the sum of its proper divisors (1).

518063008123 is an equidigital number, since it uses as much as digits as its factorization.

518063008123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

Adding to 518063008123 its reverse (321800360815), we get a palindrome (839863368938).

The spelling of 518063008123 in words is "five hundred eighteen billion, sixty-three million, eight thousand, one hundred twenty-three".