1103444243 has 4 divisors (see below), whose sum is σ = 1203757368. Its totient is φ = 1003131120.

The previous prime is 1103444233. The next prime is 1103444261. The reversal of 1103444243 is 3424443011.

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 1103444243 - 2⁶ = 1103444179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103444203) 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 3 ways as a sum of consecutive naturals, for example, 50156546 + ... + 50156567.

It is an arithmetic number, because the mean of its divisors is an integer number (300939342).

Almost surely, 2^1103444243 is an apocalyptic number.

1103444243 is a deficient number, since it is larger than the sum of its proper divisors (100313125).

1103444243 is a wasteful number, since it uses less digits than its factorization.

1103444243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100313124.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1103444243 is about 33218.1312388280. The cubic root of 1103444243 is about 1033.3563939934.

Adding to 1103444243 its reverse (3424443011), we get a palindrome (4527887254).

The spelling of 1103444243 in words is "one billion, one hundred three million, four hundred forty-four thousand, two hundred forty-three".