12042430423 has 8 divisors (see below), whose sum is σ = 12189290400. Its totient is φ = 11895827328.

The previous prime is 12042430397. The next prime is 12042430427. The reversal of 12042430423 is 32403424021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12042430423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042430427) 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, 30963 + ... + 158251.

It is an arithmetic number, because the mean of its divisors is an integer number (1523661300).

Almost surely, 2^12042430423 is an apocalyptic number.

12042430423 is a deficient number, since it is larger than the sum of its proper divisors (146859977).

12042430423 is a wasteful number, since it uses less digits than its factorization.

12042430423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128441.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12042430423 its reverse (32403424021), we get a palindrome (44445854444).

The spelling of 12042430423 in words is "twelve billion, forty-two million, four hundred thirty thousand, four hundred twenty-three".