168868223 has 2 divisors, whose sum is σ = 168868224. Its totient is φ = 168868222.

The previous prime is 168868213. The next prime is 168868279. The reversal of 168868223 is 322868861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168868223 - 2⁸ = 168867967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168868213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84434111 + 84434112.

It is an arithmetic number, because the mean of its divisors is an integer number (84434112).

Almost surely, 2^168868223 is an apocalyptic number.

168868223 is a deficient number, since it is larger than the sum of its proper divisors (1).

168868223 is an equidigital number, since it uses as much as digits as its factorization.

168868223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 44.

The square root of 168868223 is about 12994.9306654557. The cubic root of 168868223 is about 552.7337427474.

The spelling of 168868223 in words is "one hundred sixty-eight million, eight hundred sixty-eight thousand, two hundred twenty-three".