1103418443 has 4 divisors (see below), whose sum is σ = 1103488800. Its totient is φ = 1103348088.

The previous prime is 1103418427. The next prime is 1103418461. The reversal of 1103418443 is 3448143011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3448143011 = 24179 ⋅142609.

It is a cyclic number.

It is not a de Polignac number, because 1103418443 - 2⁴ = 1103418427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103411443) 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, 221 + ... + 46977.

It is an arithmetic number, because the mean of its divisors is an integer number (275872200).

Almost surely, 2^1103418443 is an apocalyptic number.

1103418443 is a deficient number, since it is larger than the sum of its proper divisors (70357).

1103418443 is an equidigital number, since it uses as much as digits as its factorization.

1103418443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70356.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1103418443 is about 33217.7428944232. The cubic root of 1103418443 is about 1033.3483401798.

The spelling of 1103418443 in words is "one billion, one hundred three million, four hundred eighteen thousand, four hundred forty-three".