223032321361 has 2 divisors, whose sum is σ = 223032321362. Its totient is φ = 223032321360.

The previous prime is 223032321307. The next prime is 223032321377. The reversal of 223032321361 is 163123230322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213773070736 + 9259250625 = 462356^2 + 96225^2 .

It is a cyclic number.

It is not a de Polignac number, because 223032321361 - 2²³ = 223023932753 is a prime.

It is not a weakly prime, because it can be changed into another prime (223032328361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111516160680 + 111516160681.

It is an arithmetic number, because the mean of its divisors is an integer number (111516160681).

Almost surely, 2^223032321361 is an apocalyptic number.

It is an amenable number.

223032321361 is a deficient number, since it is larger than the sum of its proper divisors (1).

223032321361 is an equidigital number, since it uses as much as digits as its factorization.

223032321361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 223032321361 its reverse (163123230322), we get a palindrome (386155551683).

The spelling of 223032321361 in words is "two hundred twenty-three billion, thirty-two million, three hundred twenty-one thousand, three hundred sixty-one".