331223223 has 32 divisors (see below), whose sum is σ = 483287040. Its totient is φ = 200931840.

The previous prime is 331223209. The next prime is 331223237. The reversal of 331223223 is 322322133.

It is an interprime number because it is at equal distance from previous prime (331223209) and next prime (331223237).

It is not a de Polignac number, because 331223223 - 2⁶ = 331223159 is a prime.

It is a super-3 number, since 3×331223223³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331223223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331223273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359958 + ... + 360876.

It is an arithmetic number, because the mean of its divisors is an integer number (15102720).

Almost surely, 2^331223223 is an apocalyptic number.

331223223 is a deficient number, since it is larger than the sum of its proper divisors (152063817).

331223223 is a wasteful number, since it uses less digits than its factorization.

331223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167.

The product of its digits is 1296, while the sum is 21.

The square root of 331223223 is about 18199.5390875703. The cubic root of 331223223 is about 691.8951074209.

Adding to 331223223 its reverse (322322133), we get a palindrome (653545356).

The spelling of 331223223 in words is "three hundred thirty-one million, two hundred twenty-three thousand, two hundred twenty-three".