12004404323 has 4 divisors (see below), whose sum is σ = 12004967520. Its totient is φ = 12003841128.

The previous prime is 12004404317. The next prime is 12004404331. The reversal of 12004404323 is 32340440021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12004404323 - 2⁸ = 12004404067 is a prime.

It is a super-2 number, since 2×12004404323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12004404353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248315 + ... + 292692.

It is an arithmetic number, because the mean of its divisors is an integer number (3001241880).

Almost surely, 2^12004404323 is an apocalyptic number.

12004404323 is a deficient number, since it is larger than the sum of its proper divisors (563197).

12004404323 is an equidigital number, since it uses as much as digits as its factorization.

12004404323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563196.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12004404323 its reverse (32340440021), we get a palindrome (44344844344).

The spelling of 12004404323 in words is "twelve billion, four million, four hundred four thousand, three hundred twenty-three".