12104343423 has 24 divisors (see below), whose sum is σ = 18475192320. Its totient is φ = 7620996240.

The previous prime is 12104343413. The next prime is 12104343463. The reversal of 12104343423 is 32434340121.

It is not a de Polignac number, because 12104343423 - 2¹³ = 12104335231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104343413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353743 + ... + 386448.

It is an arithmetic number, because the mean of its divisors is an integer number (769799680).

Almost surely, 2^12104343423 is an apocalyptic number.

12104343423 is a deficient number, since it is larger than the sum of its proper divisors (6370848897).

12104343423 is a wasteful number, since it uses less digits than its factorization.

12104343423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740299 (or 740296 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12104343423 its reverse (32434340121), we get a palindrome (44538683544).

The spelling of 12104343423 in words is "twelve billion, one hundred four million, three hundred forty-three thousand, four hundred twenty-three".