868956223 has 2 divisors, whose sum is σ = 868956224. Its totient is φ = 868956222.

The previous prime is 868956199. The next prime is 868956239. The reversal of 868956223 is 322659868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868956223 - 2¹⁷ = 868825151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868936223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434478111 + 434478112.

It is an arithmetic number, because the mean of its divisors is an integer number (434478112).

Almost surely, 2^868956223 is an apocalyptic number.

868956223 is a deficient number, since it is larger than the sum of its proper divisors (1).

868956223 is an equidigital number, since it uses as much as digits as its factorization.

868956223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 49.

The square root of 868956223 is about 29478.0634201095. The cubic root of 868956223 is about 954.2583436136.

The spelling of 868956223 in words is "eight hundred sixty-eight million, nine hundred fifty-six thousand, two hundred twenty-three".