1103453443 has 8 divisors (see below), whose sum is σ = 1172387520. Its totient is φ = 1035605160.

The previous prime is 1103453437. The next prime is 1103453447. The reversal of 1103453443 is 3443543011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103453443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103453447) 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 7 ways as a sum of consecutive naturals, for example, 269353 + ... + 273418.

It is an arithmetic number, because the mean of its divisors is an integer number (146548440).

Almost surely, 2^1103453443 is an apocalyptic number.

1103453443 is a deficient number, since it is larger than the sum of its proper divisors (68934077).

1103453443 is a wasteful number, since it uses less digits than its factorization.

1103453443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542897.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1103453443 is about 33218.2697171301. The cubic root of 1103453443 is about 1033.3592658656.

Adding to 1103453443 its reverse (3443543011), we get a palindrome (4546996454).

The spelling of 1103453443 in words is "one billion, one hundred three million, four hundred fifty-three thousand, four hundred forty-three".