11123044223 has 32 divisors (see below), whose sum is σ = 12135614400. Its totient is φ = 10156769280.

The previous prime is 11123044217. The next prime is 11123044241. The reversal of 11123044223 is 32244032111.

It is a cyclic number.

It is not a de Polignac number, because 11123044223 - 2¹⁰ = 11123043199 is a prime.

It is a super-2 number, since 2×11123044223² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123044123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24772703 + ... + 24773151.

It is an arithmetic number, because the mean of its divisors is an integer number (379237950).

Almost surely, 2^11123044223 is an apocalyptic number.

11123044223 is a deficient number, since it is larger than the sum of its proper divisors (1012570177).

11123044223 is a wasteful number, since it uses less digits than its factorization.

11123044223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11123044223 its reverse (32244032111), we get a palindrome (43367076334).

The spelling of 11123044223 in words is "eleven billion, one hundred twenty-three million, forty-four thousand, two hundred twenty-three".