12004278423 has 8 divisors (see below), whose sum is σ = 16113126000. Its totient is φ = 7949141568.

The previous prime is 12004278421. The next prime is 12004278491. The reversal of 12004278423 is 32487240021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12004278423 - 2¹ = 12004278421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004278421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13427158 + ... + 13428051.

It is an arithmetic number, because the mean of its divisors is an integer number (2014140750).

Almost surely, 2^12004278423 is an apocalyptic number.

12004278423 is a deficient number, since it is larger than the sum of its proper divisors (4108847577).

12004278423 is a wasteful number, since it uses less digits than its factorization.

12004278423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26855361.

The product of its (nonzero) digits is 21504, while the sum is 33.

The spelling of 12004278423 in words is "twelve billion, four million, two hundred seventy-eight thousand, four hundred twenty-three".