1223044044313 has 12 divisors (see below), whose sum is σ = 1532165067300. Its totient is φ = 967683199392.

The previous prime is 1223044044283. The next prime is 1223044044361. The reversal of 1223044044313 is 3134404403221.

It can be written as a sum of positive squares in 2 ways, for example, as 210068222224 + 1012975822089 = 458332^2 + 1006467^2 .

It is not a de Polignac number, because 1223044044313 - 2⁵ = 1223044044281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223044644313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 960002538 + ... + 960003811.

It is an arithmetic number, because the mean of its divisors is an integer number (127680422275).

Almost surely, 2^{1223044044313} is an apocalyptic number.

1223044044313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1223044044313 is a deficient number, since it is larger than the sum of its proper divisors (309121022987).

1223044044313 is a wasteful number, since it uses less digits than its factorization.

1223044044313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920006376 (or 1920006369 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1223044044313 its reverse (3134404403221), we get a palindrome (4357448447534).

The spelling of 1223044044313 in words is "one trillion, two hundred twenty-three billion, forty-four million, forty-four thousand, three hundred thirteen".