12423343414343 has 16 divisors (see below), whose sum is σ = 13208838091200. Its totient is φ = 11658320154624.

The previous prime is 12423343414337. The next prime is 12423343414411. The reversal of 12423343414343 is 34341434332421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12423343414343 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 12423343414343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423343414303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21719405 + ... + 22284057.

It is an arithmetic number, because the mean of its divisors is an integer number (825552380700).

Almost surely, 2^{12423343414343} is an apocalyptic number.

12423343414343 is a deficient number, since it is larger than the sum of its proper divisors (785494676857).

12423343414343 is a wasteful number, since it uses less digits than its factorization.

12423343414343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582778.

The product of its digits is 995328, while the sum is 41.

Adding to 12423343414343 its reverse (34341434332421), we get a palindrome (46764777746764).

The spelling of 12423343414343 in words is "twelve trillion, four hundred twenty-three billion, three hundred forty-three million, four hundred fourteen thousand, three hundred forty-three".