223310302321 has 2 divisors, whose sum is σ = 223310302322. Its totient is φ = 223310302320.

The previous prime is 223310302213. The next prime is 223310302331. The reversal of 223310302321 is 123203013322.

Together with previous prime (223310302213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207854839921 + 15455462400 = 455911^2 + 124320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223310302321 is a prime.

It is a super-2 number, since 2×223310302321² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223310302292 and 223310302301.

It is not a weakly prime, because it can be changed into another prime (223310302331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111655151160 + 111655151161.

It is an arithmetic number, because the mean of its divisors is an integer number (111655151161).

Almost surely, 2^223310302321 is an apocalyptic number.

It is an amenable number.

223310302321 is a deficient number, since it is larger than the sum of its proper divisors (1).

223310302321 is an equidigital number, since it uses as much as digits as its factorization.

223310302321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 223310302321 its reverse (123203013322), we get a palindrome (346513315643).

The spelling of 223310302321 in words is "two hundred twenty-three billion, three hundred ten million, three hundred two thousand, three hundred twenty-one".