12343201402321 has 16 divisors (see below), whose sum is σ = 12679871791104. Its totient is φ = 12012507408384.

The previous prime is 12343201402313. The next prime is 12343201402373. The reversal of 12343201402321 is 12320410234321.

It is a cyclic number.

It is not a de Polignac number, because 12343201402321 - 2³ = 12343201402313 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 12343201402321.

It is not an unprimeable number, because it can be changed into a prime (12343201402621) 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, 3041425 + ... + 5825518.

It is an arithmetic number, because the mean of its divisors is an integer number (792491986944).

Almost surely, 2^{12343201402321} is an apocalyptic number.

It is an amenable number.

12343201402321 is a deficient number, since it is larger than the sum of its proper divisors (336670388783).

12343201402321 is a wasteful number, since it uses less digits than its factorization.

12343201402321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8867280.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12343201402321 its reverse (12320410234321), we get a palindrome (24663611636642).

The spelling of 12343201402321 in words is "twelve trillion, three hundred forty-three billion, two hundred one million, four hundred two thousand, three hundred twenty-one".