71901217242223 has 2 divisors, whose sum is σ = 71901217242224. Its totient is φ = 71901217242222.

The previous prime is 71901217242163. The next prime is 71901217242229. The reversal of 71901217242223 is 32224271210917.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71901217242223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71901217242223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71901217242229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35950608621111 + 35950608621112.

It is an arithmetic number, because the mean of its divisors is an integer number (35950608621112).

Almost surely, 2^{71901217242223} is an apocalyptic number.

71901217242223 is a deficient number, since it is larger than the sum of its proper divisors (1).

71901217242223 is an equidigital number, since it uses as much as digits as its factorization.

71901217242223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 71901217242223 in words is "seventy-one trillion, nine hundred one billion, two hundred seventeen million, two hundred forty-two thousand, two hundred twenty-three".