12463235143243 has 4 divisors (see below), whose sum is σ = 12463278014880. Its totient is φ = 12463192271608.

The previous prime is 12463235143241. The next prime is 12463235143279. The reversal of 12463235143243 is 34234153236421.

12463235143243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12463235143243 - 2¹ = 12463235143241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12463235143243.

It is not an unprimeable number, because it can be changed into a prime (12463235143241) 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, 20996755 + ... + 21582172.

It is an arithmetic number, because the mean of its divisors is an integer number (3115819503720).

Almost surely, 2^{12463235143243} is an apocalyptic number.

12463235143243 is a deficient number, since it is larger than the sum of its proper divisors (42871637).

12463235143243 is an equidigital number, since it uses as much as digits as its factorization.

12463235143243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42871636.

The product of its digits is 1244160, while the sum is 43.

Adding to 12463235143243 its reverse (34234153236421), we get a palindrome (46697388379664).

The spelling of 12463235143243 in words is "twelve trillion, four hundred sixty-three billion, two hundred thirty-five million, one hundred forty-three thousand, two hundred forty-three".