223323323321281 has 2 divisors, whose sum is σ = 223323323321282. Its totient is φ = 223323323321280.

The previous prime is 223323323321209. The next prime is 223323323321453. The reversal of 223323323321281 is 182123323323322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174573882194881 + 48749441126400 = 13212641^2 + 6982080^2 .

It is a cyclic number.

It is not a de Polignac number, because 223323323321281 - 2¹³ = 223323323313089 is a prime.

It is a super-2 number, since 2×223323323321281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223323323325281) 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, 111661661660640 + 111661661660641.

It is an arithmetic number, because the mean of its divisors is an integer number (111661661660641).

Almost surely, 2^{223323323321281} is an apocalyptic number.

It is an amenable number.

223323323321281 is a deficient number, since it is larger than the sum of its proper divisors (1).

223323323321281 is an equidigital number, since it uses as much as digits as its factorization.

223323323321281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 40.

The spelling of 223323323321281 in words is "two hundred twenty-three trillion, three hundred twenty-three billion, three hundred twenty-three million, three hundred twenty-one thousand, two hundred eighty-one".