11404243 has 2 divisors, whose sum is σ = 11404244. Its totient is φ = 11404242.

The previous prime is 11404241. The next prime is 11404247. The reversal of 11404243 is 34240411.

11404243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11404243 - 2¹ = 11404241 is a prime.

Together with 11404241, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11404243.

It is not a weakly prime, because it can be changed into another prime (11404241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702121 + 5702122.

It is an arithmetic number, because the mean of its divisors is an integer number (5702122).

Almost surely, 2^11404243 is an apocalyptic number.

11404243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404243 is an equidigital number, since it uses as much as digits as its factorization.

11404243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 11404243 is about 3377.0168788444. The cubic root of 11404243 is about 225.0896301342.

Adding to 11404243 its reverse (34240411), we get a palindrome (45644654).

The spelling of 11404243 in words is "eleven million, four hundred four thousand, two hundred forty-three".