808185223 has 2 divisors, whose sum is σ = 808185224. Its totient is φ = 808185222.

The previous prime is 808185173. The next prime is 808185239. The reversal of 808185223 is 322581808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 808185223 - 2⁹ = 808184711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (808182223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404092611 + 404092612.

It is an arithmetic number, because the mean of its divisors is an integer number (404092612).

Almost surely, 2^808185223 is an apocalyptic number.

808185223 is a deficient number, since it is larger than the sum of its proper divisors (1).

808185223 is an equidigital number, since it uses as much as digits as its factorization.

808185223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 808185223 is about 28428.5986816093. The cubic root of 808185223 is about 931.4730665252.

The spelling of 808185223 in words is "eight hundred eight million, one hundred eighty-five thousand, two hundred twenty-three".