223241321 has 2 divisors, whose sum is σ = 223241322. Its totient is φ = 223241320.

The previous prime is 223241311. The next prime is 223241341. The reversal of 223241321 is 123142322.

223241321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (223241341) can be obtained adding 223241321 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223173721 + 67600 = 14939^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 223241321 - 2⁶ = 223241257 is a prime.

It is a super-3 number, since 3×223241321³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223241293 and 223241302.

It is not a weakly prime, because it can be changed into another prime (223241311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111620660 + 111620661.

It is an arithmetic number, because the mean of its divisors is an integer number (111620661).

Almost surely, 2^223241321 is an apocalyptic number.

It is an amenable number.

223241321 is a deficient number, since it is larger than the sum of its proper divisors (1).

223241321 is an equidigital number, since it uses as much as digits as its factorization.

223241321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 20.

The square root of 223241321 is about 14941.2623630000. The cubic root of 223241321 is about 606.6313651653.

Adding to 223241321 its reverse (123142322), we get a palindrome (346383643).

The spelling of 223241321 in words is "two hundred twenty-three million, two hundred forty-one thousand, three hundred twenty-one".