12430238443 has 4 divisors (see below), whose sum is σ = 14205986800. Its totient is φ = 10654490088.

The previous prime is 12430238441. The next prime is 12430238507. The reversal of 12430238443 is 34483203421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34483203421 = 27031 ⋅1275691.

It is a cyclic number.

It is not a de Polignac number, because 12430238443 - 2¹ = 12430238441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12430238399 and 12430238408.

It is not an unprimeable number, because it can be changed into a prime (12430238441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887874168 + ... + 887874181.

It is an arithmetic number, because the mean of its divisors is an integer number (3551496700).

Almost surely, 2^12430238443 is an apocalyptic number.

12430238443 is a deficient number, since it is larger than the sum of its proper divisors (1775748357).

12430238443 is an equidigital number, since it uses as much as digits as its factorization.

12430238443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775748356.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 12430238443 in words is "twelve billion, four hundred thirty million, two hundred thirty-eight thousand, four hundred forty-three".