12343740443 has 8 divisors (see below), whose sum is σ = 13084660368. Its totient is φ = 11604466944.

The previous prime is 12343740421. The next prime is 12343740449. The reversal of 12343740443 is 34404734321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12343740443 - 2⁸ = 12343740187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12343740449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396146 + ... + 426167.

It is an arithmetic number, because the mean of its divisors is an integer number (1635582546).

Almost surely, 2^12343740443 is an apocalyptic number.

12343740443 is a deficient number, since it is larger than the sum of its proper divisors (740919925).

12343740443 is an equidigital number, since it uses as much as digits as its factorization.

12343740443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823213.

The product of its (nonzero) digits is 96768, while the sum is 35.

The spelling of 12343740443 in words is "twelve billion, three hundred forty-three million, seven hundred forty thousand, four hundred forty-three".