12134044423 has 16 divisors (see below), whose sum is σ = 13853881440. Its totient is φ = 10555315200.

The previous prime is 12134044387. The next prime is 12134044441. The reversal of 12134044423 is 32444043121.

It is a cyclic number.

It is not a de Polignac number, because 12134044423 - 2²¹ = 12131947271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12134044391 and 12134044400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134024423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444888 + ... + 471373.

It is an arithmetic number, because the mean of its divisors is an integer number (865867590).

Almost surely, 2^12134044423 is an apocalyptic number.

12134044423 is a deficient number, since it is larger than the sum of its proper divisors (1719837017).

12134044423 is a wasteful number, since it uses less digits than its factorization.

12134044423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916338.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12134044423 its reverse (32444043121), we get a palindrome (44578087544).

The spelling of 12134044423 in words is "twelve billion, one hundred thirty-four million, forty-four thousand, four hundred twenty-three".