855102223 has 2 divisors, whose sum is σ = 855102224. Its totient is φ = 855102222.

The previous prime is 855102181. The next prime is 855102229. The reversal of 855102223 is 322201558.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-855102223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 855102191 and 855102200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (855102229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427551111 + 427551112.

It is an arithmetic number, because the mean of its divisors is an integer number (427551112).

Almost surely, 2^855102223 is an apocalyptic number.

855102223 is a deficient number, since it is larger than the sum of its proper divisors (1).

855102223 is an equidigital number, since it uses as much as digits as its factorization.

855102223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 855102223 is about 29242.1309586015. The cubic root of 855102223 is about 949.1598196748.

The spelling of 855102223 in words is "eight hundred fifty-five million, one hundred two thousand, two hundred twenty-three".