11123004443 has 16 divisors (see below), whose sum is σ = 12036086784. Its totient is φ = 10238981760.

The previous prime is 11123004419. The next prime is 11123004467. The reversal of 11123004443 is 34440032111.

It is an interprime number because it is at equal distance from previous prime (11123004419) and next prime (11123004467).

It is a cyclic number.

It is not a de Polignac number, because 11123004443 - 2¹⁴ = 11122988059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123004743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443146 + ... + 1450832.

It is an arithmetic number, because the mean of its divisors is an integer number (752255424).

Almost surely, 2^11123004443 is an apocalyptic number.

11123004443 is a deficient number, since it is larger than the sum of its proper divisors (913082341).

11123004443 is a wasteful number, since it uses less digits than its factorization.

11123004443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9562.

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

Adding to 11123004443 its reverse (34440032111), we get a palindrome (45563036554).

The spelling of 11123004443 in words is "eleven billion, one hundred twenty-three million, four thousand, four hundred forty-three".