216224653505423 has 2 divisors, whose sum is σ = 216224653505424. Its totient is φ = 216224653505422.

The previous prime is 216224653505359. The next prime is 216224653505461. The reversal of 216224653505423 is 324505356422612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216224653505423 - 2⁶ = 216224653505359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216224653505473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108112326752711 + 108112326752712.

It is an arithmetic number, because the mean of its divisors is an integer number (108112326752712).

Almost surely, 2^{216224653505423} is an apocalyptic number.

216224653505423 is a deficient number, since it is larger than the sum of its proper divisors (1).

216224653505423 is an equidigital number, since it uses as much as digits as its factorization.

216224653505423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368000, while the sum is 50.

The spelling of 216224653505423 in words is "two hundred sixteen trillion, two hundred twenty-four billion, six hundred fifty-three million, five hundred five thousand, four hundred twenty-three".