444321422003 has 4 divisors (see below), whose sum is σ = 445046253648. Its totient is φ = 443596590360.

The previous prime is 444321421937. The next prime is 444321422047. The reversal of 444321422003 is 300224123444.

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 444321422003 - 2¹⁰ = 444321420979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444321422093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362414903 + ... + 362416128.

It is an arithmetic number, because the mean of its divisors is an integer number (111261563412).

Almost surely, 2^444321422003 is an apocalyptic number.

444321422003 is a deficient number, since it is larger than the sum of its proper divisors (724831645).

444321422003 is an equidigital number, since it uses as much as digits as its factorization.

444321422003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724831644.

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

Adding to 444321422003 its reverse (300224123444), we get a palindrome (744545545447).

The spelling of 444321422003 in words is "four hundred forty-four billion, three hundred twenty-one million, four hundred twenty-two thousand, three".