11423239111 has 2 divisors, whose sum is σ = 11423239112. Its totient is φ = 11423239110.

The previous prime is 11423239103. The next prime is 11423239159. The reversal of 11423239111 is 11193232411.

11423239111 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 not a de Polignac number, because 11423239111 - 2³ = 11423239103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11423239111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11423209111) 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, 5711619555 + 5711619556.

It is an arithmetic number, because the mean of its divisors is an integer number (5711619556).

Almost surely, 2^11423239111 is an apocalyptic number.

11423239111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11423239111 is an equidigital number, since it uses as much as digits as its factorization.

11423239111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The spelling of 11423239111 in words is "eleven billion, four hundred twenty-three million, two hundred thirty-nine thousand, one hundred eleven".