1223044044361 has 2 divisors, whose sum is σ = 1223044044362. Its totient is φ = 1223044044360.

The previous prime is 1223044044283. The next prime is 1223044044371. The reversal of 1223044044361 is 1634404403221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 699130099600 + 523913944761 = 836140^2 + 723819^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223044044361 - 2¹⁹ = 1223043520073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223044044371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611522022180 + 611522022181.

It is an arithmetic number, because the mean of its divisors is an integer number (611522022181).

Almost surely, 2^{1223044044361} is an apocalyptic number.

It is an amenable number.

1223044044361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223044044361 is an equidigital number, since it uses as much as digits as its factorization.

1223044044361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 1223044044361 its reverse (1634404403221), we get a palindrome (2857448447582).

The spelling of 1223044044361 in words is "one trillion, two hundred twenty-three billion, forty-four million, forty-four thousand, three hundred sixty-one".