12343310421 has 16 divisors (see below), whose sum is σ = 17730207936. Its totient is φ = 7593106176.

The previous prime is 12343310351. The next prime is 12343310437. The reversal of 12343310421 is 12401334321.

It is a happy number.

It is not a de Polignac number, because 12343310421 - 2¹⁷ = 12343179349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12343310391 and 12343310400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343310621) 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 15 ways as a sum of consecutive naturals, for example, 52861 + ... + 165773.

It is an arithmetic number, because the mean of its divisors is an integer number (1108137996).

Almost surely, 2^12343310421 is an apocalyptic number.

It is an amenable number.

12343310421 is a deficient number, since it is larger than the sum of its proper divisors (5386897515).

12343310421 is a wasteful number, since it uses less digits than its factorization.

12343310421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115732.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12343310421 its reverse (12401334321), we get a palindrome (24744644742).

The spelling of 12343310421 in words is "twelve billion, three hundred forty-three million, three hundred ten thousand, four hundred twenty-one".