11134423123 has 4 divisors (see below), whose sum is σ = 11134679688. Its totient is φ = 11134166560.

The previous prime is 11134423117. The next prime is 11134423141. The reversal of 11134423123 is 32132443111.

11134423123 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, and also an emirpimes, since its reverse is a distinct semiprime: 32132443111 = 10459 ⋅3072229.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11134423123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11134423163) 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, 45286 + ... + 155947.

It is an arithmetic number, because the mean of its divisors is an integer number (2783669922).

Almost surely, 2^11134423123 is an apocalyptic number.

11134423123 is a deficient number, since it is larger than the sum of its proper divisors (256565).

11134423123 is an equidigital number, since it uses as much as digits as its factorization.

11134423123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256564.

The product of its digits is 1728, while the sum is 25.

Adding to 11134423123 its reverse (32132443111), we get a palindrome (43266866234).

The spelling of 11134423123 in words is "eleven billion, one hundred thirty-four million, four hundred twenty-three thousand, one hundred twenty-three".