850311223 has 4 divisors (see below), whose sum is σ = 858730248. Its totient is φ = 841892200.

The previous prime is 850311157. The next prime is 850311229. The reversal of 850311223 is 322113058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 850311223 - 2¹⁷ = 850180151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850311229) 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 in 3 ways as a sum of consecutive naturals, for example, 4209361 + ... + 4209562.

It is an arithmetic number, because the mean of its divisors is an integer number (214682562).

Almost surely, 2^850311223 is an apocalyptic number.

850311223 is a deficient number, since it is larger than the sum of its proper divisors (8419025).

850311223 is a wasteful number, since it uses less digits than its factorization.

850311223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8419024.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 850311223 is about 29160.0964161643. The cubic root of 850311223 is about 947.3838354952.

The spelling of 850311223 in words is "eight hundred fifty million, three hundred eleven thousand, two hundred twenty-three".