12423414011443 has 24 divisors (see below), whose sum is σ = 12828727766016. Its totient is φ = 12028448401200.

The previous prime is 12423414011387. The next prime is 12423414011447. The reversal of 12423414011443 is 34411041432421.

It is a de Polignac number, because none of the positive numbers 2^k-12423414011443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12423414011399 and 12423414011408.

It is not an unprimeable number, because it can be changed into a prime (12423414011447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244901280 + ... + 244952002.

It is an arithmetic number, because the mean of its divisors is an integer number (534530323584).

Almost surely, 2^{12423414011443} is an apocalyptic number.

12423414011443 is a deficient number, since it is larger than the sum of its proper divisors (405313754573).

12423414011443 is an frugal number, since it uses more digits than its factorization.

12423414011443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51903 (or 51844 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 12423414011443 its reverse (34411041432421), we get a palindrome (46834455443864).

The spelling of 12423414011443 in words is "twelve trillion, four hundred twenty-three billion, four hundred fourteen million, eleven thousand, four hundred forty-three".