1244444423 has 8 divisors (see below), whose sum is σ = 1276943136. Its totient is φ = 1212048000.

The previous prime is 1244444413. The next prime is 1244444459. The reversal of 1244444423 is 3244444421.

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

It is a cyclic number.

It is not a de Polignac number, because 1244444423 - 2⁴ = 1244444407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244444423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244444413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611 + ... + 49892.

It is an arithmetic number, because the mean of its divisors is an integer number (159617892).

Almost surely, 2^1244444423 is an apocalyptic number.

1244444423 is a deficient number, since it is larger than the sum of its proper divisors (32498713).

1244444423 is an equidigital number, since it uses as much as digits as its factorization.

1244444423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51145.

The product of its digits is 49152, while the sum is 32.

The square root of 1244444423 is about 35276.6838435814. The cubic root of 1244444423 is about 1075.6190911713.

Adding to 1244444423 its reverse (3244444421), we get a palindrome (4488888844).

The spelling of 1244444423 in words is "one billion, two hundred forty-four million, four hundred forty-four thousand, four hundred twenty-three".