516321113423 has 2 divisors, whose sum is σ = 516321113424. Its totient is φ = 516321113422.

The previous prime is 516321113393. The next prime is 516321113471. The reversal of 516321113423 is 324311123615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516321113423 - 2²⁰ = 516320064847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 516321113423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516321119423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258160556711 + 258160556712.

It is an arithmetic number, because the mean of its divisors is an integer number (258160556712).

Almost surely, 2^516321113423 is an apocalyptic number.

516321113423 is a deficient number, since it is larger than the sum of its proper divisors (1).

516321113423 is an equidigital number, since it uses as much as digits as its factorization.

516321113423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The spelling of 516321113423 in words is "five hundred sixteen billion, three hundred twenty-one million, one hundred thirteen thousand, four hundred twenty-three".