12104400423 has 8 divisors (see below), whose sum is σ = 16366513536. Its totient is φ = 7955943800.

The previous prime is 12104400403. The next prime is 12104400437. The reversal of 12104400423 is 32400440121.

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

It is a cyclic number.

It is not a de Polignac number, because 12104400423 - 2¹³ = 12104392231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12104400423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104400403) 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, 28413873 + ... + 28414298.

It is an arithmetic number, because the mean of its divisors is an integer number (2045814192).

Almost surely, 2^12104400423 is an apocalyptic number.

12104400423 is a deficient number, since it is larger than the sum of its proper divisors (4262113113).

12104400423 is an equidigital number, since it uses as much as digits as its factorization.

12104400423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56828245.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12104400423 its reverse (32400440121), we get a palindrome (44504840544).

The spelling of 12104400423 in words is "twelve billion, one hundred four million, four hundred thousand, four hundred twenty-three".