6311223 has 16 divisors (see below), whose sum is σ = 9757440. Its totient is φ = 4024152.

The previous prime is 6311219. The next prime is 6311251. The reversal of 6311223 is 3221136.

6311223 is a `hidden beast` number, since 631 + 12 + 23 = 666.

6311223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6311223 - 2² = 6311219 is a prime.

6311223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6311196 and 6311205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6311203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4461 + ... + 5702.

It is an arithmetic number, because the mean of its divisors is an integer number (609840).

Almost surely, 2^6311223 is an apocalyptic number.

6311223 is a deficient number, since it is larger than the sum of its proper divisors (3446217).

6311223 is a wasteful number, since it uses less digits than its factorization.

6311223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10195 (or 10189 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 6311223 is about 2512.2147599280. The cubic root of 6311223 is about 184.8010815420.

Adding to 6311223 its reverse (3221136), we get a palindrome (9532359).

The spelling of 6311223 in words is "six million, three hundred eleven thousand, two hundred twenty-three".