1244423443 has 8 divisors (see below), whose sum is σ = 1330419168. Its totient is φ = 1159849344.

The previous prime is 1244423429. The next prime is 1244423473. The reversal of 1244423443 is 3443244421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1244423443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244423423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353596 + ... + 357097.

It is an arithmetic number, because the mean of its divisors is an integer number (166302396).

Almost surely, 2^1244423443 is an apocalyptic number.

1244423443 is a deficient number, since it is larger than the sum of its proper divisors (85995725).

1244423443 is a wasteful number, since it uses less digits than its factorization.

1244423443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710813.

The product of its digits is 36864, while the sum is 31.

The square root of 1244423443 is about 35276.3864787764. The cubic root of 1244423443 is about 1075.6130465421.

Adding to 1244423443 its reverse (3443244421), we get a palindrome (4687667864).

The spelling of 1244423443 in words is "one billion, two hundred forty-four million, four hundred twenty-three thousand, four hundred forty-three".