12023404242443 has 4 divisors (see below), whose sum is σ = 13116440991768. Its totient is φ = 10930367493120.

The previous prime is 12023404242433. The next prime is 12023404242449. The reversal of 12023404242443 is 34424240432021.

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 12023404242443 - 2¹⁰ = 12023404241419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023404242449) 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, 546518374646 + ... + 546518374667.

It is an arithmetic number, because the mean of its divisors is an integer number (3279110247942).

Almost surely, 2^{12023404242443} is an apocalyptic number.

12023404242443 is a deficient number, since it is larger than the sum of its proper divisors (1093036749325).

12023404242443 is a wasteful number, since it uses less digits than its factorization.

12023404242443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093036749324.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 12023404242443 its reverse (34424240432021), we get a palindrome (46447644674464).

The spelling of 12023404242443 in words is "twelve trillion, twenty-three billion, four hundred four million, two hundred forty-two thousand, four hundred forty-three".