11000123143 has 4 divisors (see below), whose sum is σ = 11017231288. Its totient is φ = 10983015000.

The previous prime is 11000123137. The next prime is 11000123153. The reversal of 11000123143 is 34132100011.

11000123143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11000123143 is a prime.

It is a super-2 number, since 2×11000123143² (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 (11000123153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8553108 + ... + 8554393.

It is an arithmetic number, because the mean of its divisors is an integer number (2754307822).

Almost surely, 2^11000123143 is an apocalyptic number.

11000123143 is a deficient number, since it is larger than the sum of its proper divisors (17108145).

11000123143 is an equidigital number, since it uses as much as digits as its factorization.

11000123143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17108144.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11000123143 its reverse (34132100011), we get a palindrome (45132223154).

The spelling of 11000123143 in words is "eleven billion, one hundred twenty-three thousand, one hundred forty-three".