11123304143 has 12 divisors (see below), whose sum is σ = 12941197920. Its totient is φ = 9532901952.

The previous prime is 11123304133. The next prime is 11123304167. The reversal of 11123304143 is 34140332111.

It is not a de Polignac number, because 11123304143 - 2⁶ = 11123304079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123304103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493130 + ... + 515192.

It is an arithmetic number, because the mean of its divisors is an integer number (1078433160).

Almost surely, 2^11123304143 is an apocalyptic number.

11123304143 is a deficient number, since it is larger than the sum of its proper divisors (1817893777).

11123304143 is a wasteful number, since it uses less digits than its factorization.

11123304143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32366 (or 32359 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11123304143 its reverse (34140332111), we get a palindrome (45263636254).

The spelling of 11123304143 in words is "eleven billion, one hundred twenty-three million, three hundred four thousand, one hundred forty-three".