11143243 has 2 divisors, whose sum is σ = 11143244. Its totient is φ = 11143242.

The previous prime is 11143219. The next prime is 11143259. The reversal of 11143243 is 34234111.

It is a strong prime.

It is an emirp because it is prime and its reverse (34234111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11143243 - 2⁹ = 11142731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11143243.

It is not a weakly prime, because it can be changed into another prime (11143273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571621 + 5571622.

It is an arithmetic number, because the mean of its divisors is an integer number (5571622).

Almost surely, 2^11143243 is an apocalyptic number.

11143243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143243 is an equidigital number, since it uses as much as digits as its factorization.

11143243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 11143243 is about 3338.1496371493. The cubic root of 11143243 is about 223.3592111298.

Adding to 11143243 its reverse (34234111), we get a palindrome (45377354).

The spelling of 11143243 in words is "eleven million, one hundred forty-three thousand, two hundred forty-three".