859369223 has 2 divisors, whose sum is σ = 859369224. Its totient is φ = 859369222.

The previous prime is 859369187. The next prime is 859369229. The reversal of 859369223 is 322963958.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 859369223 - 2²⁸ = 590933767 is a prime.

It is a super-2 number, since 2×859369223² = 1477030922879247458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (859369229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429684611 + 429684612.

It is an arithmetic number, because the mean of its divisors is an integer number (429684612).

Almost surely, 2^859369223 is an apocalyptic number.

859369223 is a deficient number, since it is larger than the sum of its proper divisors (1).

859369223 is an equidigital number, since it uses as much as digits as its factorization.

859369223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 859369223 is about 29314.9999658878. Note that the first 4 decimals coincide. The cubic root of 859369223 is about 950.7359847947.

It can be divided in two parts, 85936 and 9223, that added together give a palindrome (95159).

The spelling of 859369223 in words is "eight hundred fifty-nine million, three hundred sixty-nine thousand, two hundred twenty-three".