1223332440017 has 2 divisors, whose sum is σ = 1223332440018. Its totient is φ = 1223332440016.

The previous prime is 1223332439999. The next prime is 1223332440019. The reversal of 1223332440017 is 7100442333221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1102350905041 + 120981534976 = 1049929^2 + 347824^2 .

It is an emirp because it is prime and its reverse (7100442333221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223332440017 - 2⁸ = 1223332439761 is a prime.

Together with 1223332440019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1223332440019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611666220008 + 611666220009.

It is an arithmetic number, because the mean of its divisors is an integer number (611666220009).

Almost surely, 2^{1223332440017} is an apocalyptic number.

It is an amenable number.

1223332440017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223332440017 is an equidigital number, since it uses as much as digits as its factorization.

1223332440017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 1223332440017 its reverse (7100442333221), we get a palindrome (8323774773238).

The spelling of 1223332440017 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-two million, four hundred forty thousand, seventeen".