218524085388023 has 2 divisors, whose sum is σ = 218524085388024. Its totient is φ = 218524085388022.

The previous prime is 218524085387887. The next prime is 218524085388041. The reversal of 218524085388023 is 320883580425812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 218524085388023 - 2²⁴ = 218524068610807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218524085388083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109262042694011 + 109262042694012.

It is an arithmetic number, because the mean of its divisors is an integer number (109262042694012).

Almost surely, 2^{218524085388023} is an apocalyptic number.

218524085388023 is a deficient number, since it is larger than the sum of its proper divisors (1).

218524085388023 is an equidigital number, since it uses as much as digits as its factorization.

218524085388023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29491200, while the sum is 59.

The spelling of 218524085388023 in words is "two hundred eighteen trillion, five hundred twenty-four billion, eighty-five million, three hundred eighty-eight thousand, twenty-three".