11142424123 has 2 divisors, whose sum is σ = 11142424124. Its totient is φ = 11142424122.

The previous prime is 11142424093. The next prime is 11142424177. The reversal of 11142424123 is 32142424111.

11142424123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11142424123 is a prime.

It is not a weakly prime, because it can be changed into another prime (11142434123) 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 as a sum of consecutive naturals, namely, 5571212061 + 5571212062.

It is an arithmetic number, because the mean of its divisors is an integer number (5571212062).

Almost surely, 2^11142424123 is an apocalyptic number.

11142424123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142424123 is an equidigital number, since it uses as much as digits as its factorization.

11142424123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 25.

Adding to 11142424123 its reverse (32142424111), we get a palindrome (43284848234).

The spelling of 11142424123 in words is "eleven billion, one hundred forty-two million, four hundred twenty-four thousand, one hundred twenty-three".