1044340203 has 4 divisors (see below), whose sum is σ = 1392453608. Its totient is φ = 696226800.

The previous prime is 1044340201. The next prime is 1044340247. The reversal of 1044340203 is 3020434401.

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

It is not a de Polignac number, because 1044340203 - 2¹ = 1044340201 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 1044340203.

It is not an unprimeable number, because it can be changed into a prime (1044340201) 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, 174056698 + ... + 174056703.

It is an arithmetic number, because the mean of its divisors is an integer number (348113402).

Almost surely, 2^1044340203 is an apocalyptic number.

1044340203 is a deficient number, since it is larger than the sum of its proper divisors (348113405).

1044340203 is an equidigital number, since it uses as much as digits as its factorization.

1044340203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348113404.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1044340203 is about 32316.2529232583. The cubic root of 1044340203 is about 1014.5668443841.

Adding to 1044340203 its reverse (3020434401), we get a palindrome (4064774604).

The spelling of 1044340203 in words is "one billion, forty-four million, three hundred forty thousand, two hundred three".