11144142123 has 4 divisors (see below), whose sum is σ = 14858856168. Its totient is φ = 7429428080.

The previous prime is 11144142077. The next prime is 11144142131. The reversal of 11144142123 is 32124144111.

It is a happy number.

11144142123 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 not a de Polignac number, because 11144142123 - 2¹⁷ = 11144011051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11144142093 and 11144142102.

It is not an unprimeable number, because it can be changed into a prime (11144142133) 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, 1857357018 + ... + 1857357023.

It is an arithmetic number, because the mean of its divisors is an integer number (3714714042).

Almost surely, 2^11144142123 is an apocalyptic number.

11144142123 is a deficient number, since it is larger than the sum of its proper divisors (3714714045).

11144142123 is an equidigital number, since it uses as much as digits as its factorization.

11144142123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714714044.

The product of its digits is 768, while the sum is 24.

Adding to 11144142123 its reverse (32124144111), we get a palindrome (43268286234).

The spelling of 11144142123 in words is "eleven billion, one hundred forty-four million, one hundred forty-two thousand, one hundred twenty-three".