223223323231 has 2 divisors, whose sum is σ = 223223323232. Its totient is φ = 223223323230.

The previous prime is 223223323187. The next prime is 223223323313. The reversal of 223223323231 is 132323322322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223223323231 - 2²¹ = 223221226079 is a prime.

It is a super-3 number, since 3×223223323231³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 223223323231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223223321231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111611661615 + 111611661616.

It is an arithmetic number, because the mean of its divisors is an integer number (111611661616).

Almost surely, 2^223223323231 is an apocalyptic number.

223223323231 is a deficient number, since it is larger than the sum of its proper divisors (1).

223223323231 is an equidigital number, since it uses as much as digits as its factorization.

223223323231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 28.

Adding to 223223323231 its reverse (132323322322), we get a palindrome (355546645553).

Subtracting from 223223323231 its reverse (132323322322), we obtain a palindrome (90900000909).

The spelling of 223223323231 in words is "two hundred twenty-three billion, two hundred twenty-three million, three hundred twenty-three thousand, two hundred thirty-one".