1244403004223 has 4 divisors (see below), whose sum is σ = 1317603180960. Its totient is φ = 1171202827488.

The previous prime is 1244403004211. The next prime is 1244403004333. The reversal of 1244403004223 is 3224003044421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1244403004223 - 2²⁰ = 1244401955647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244403004423) 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 in 3 ways as a sum of consecutive naturals, for example, 36600088343 + ... + 36600088376.

It is an arithmetic number, because the mean of its divisors is an integer number (329400795240).

Almost surely, 2^{1244403004223} is an apocalyptic number.

1244403004223 is a deficient number, since it is larger than the sum of its proper divisors (73200176737).

1244403004223 is an equidigital number, since it uses as much as digits as its factorization.

1244403004223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73200176736.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 1244403004223 its reverse (3224003044421), we get a palindrome (4468406048644).

The spelling of 1244403004223 in words is "one trillion, two hundred forty-four billion, four hundred three million, four thousand, two hundred twenty-three".