4311223 has 8 divisors (see below), whose sum is σ = 5042048. Its totient is φ = 3609144.

The previous prime is 4311221. The next prime is 4311247. The reversal of 4311223 is 3221134.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4311223 - 2¹ = 4311221 is a prime.

It is a Duffinian number.

4311223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4311197 and 4311206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311221) 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 7 ways as a sum of consecutive naturals, for example, 6861 + ... + 7462.

It is an arithmetic number, because the mean of its divisors is an integer number (630256).

Almost surely, 2^4311223 is an apocalyptic number.

4311223 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4311223 is a deficient number, since it is larger than the sum of its proper divisors (730825).

4311223 is a wasteful number, since it uses less digits than its factorization.

4311223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14373.

The product of its digits is 144, while the sum is 16.

The square root of 4311223 is about 2076.3484774960. The cubic root of 4311223 is about 162.7546838639.

Adding to 4311223 its reverse (3221134), we get a palindrome (7532357).

The spelling of 4311223 in words is "four million, three hundred eleven thousand, two hundred twenty-three".