11103243 has 8 divisors (see below), whose sum is σ = 14824656. Its totient is φ = 7392000.

The previous prime is 11103217. The next prime is 11103247. The reversal of 11103243 is 34230111.

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

It is not a de Polignac number, because 11103243 - 2⁶ = 11103179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11103247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543 + ... + 4743.

It is an arithmetic number, because the mean of its divisors is an integer number (1853082).

Almost surely, 2^11103243 is an apocalyptic number.

11103243 is a deficient number, since it is larger than the sum of its proper divisors (3721413).

11103243 is an equidigital number, since it uses as much as digits as its factorization.

11103243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11103243 is about 3332.1529076559. The cubic root of 11103243 is about 223.0916325280.

Adding to 11103243 its reverse (34230111), we get a palindrome (45333354).

The spelling of 11103243 in words is "eleven million, one hundred three thousand, two hundred forty-three".