11142223 has 2 divisors, whose sum is σ = 11142224. Its totient is φ = 11142222.

The previous prime is 11142211. The next prime is 11142247. The reversal of 11142223 is 32224111.

It is a weak prime.

It is an emirp because it is prime and its reverse (32224111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11142223 - 2¹⁷ = 11011151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11142197 and 11142206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11142253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571111 + 5571112.

It is an arithmetic number, because the mean of its divisors is an integer number (5571112).

Almost surely, 2^11142223 is an apocalyptic number.

11142223 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142223 is an equidigital number, since it uses as much as digits as its factorization.

11142223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 16.

The square root of 11142223 is about 3337.9968544024. The cubic root of 11142223 is about 223.3523958383.

Adding to 11142223 its reverse (32224111), we get a palindrome (43366334).

The spelling of 11142223 in words is "eleven million, one hundred forty-two thousand, two hundred twenty-three".