11042440223 has 2 divisors, whose sum is σ = 11042440224. Its totient is φ = 11042440222.

The previous prime is 11042440207. The next prime is 11042440243. The reversal of 11042440223 is 32204424011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11042440223 - 2⁴ = 11042440207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11042440243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521220111 + 5521220112.

It is an arithmetic number, because the mean of its divisors is an integer number (5521220112).

Almost surely, 2^11042440223 is an apocalyptic number.

11042440223 is a deficient number, since it is larger than the sum of its proper divisors (1).

11042440223 is an equidigital number, since it uses as much as digits as its factorization.

11042440223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 11042440223 its reverse (32204424011), we get a palindrome (43246864234).

The spelling of 11042440223 in words is "eleven billion, forty-two million, four hundred forty thousand, two hundred twenty-three".