12343120344243 has 24 divisors (see below), whose sum is σ = 19338541891760. Its totient is φ = 7541120554560.

The previous prime is 12343120344239. The next prime is 12343120344341. The reversal of 12343120344243 is 34244302134321.

12343120344243 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 3 + 1 + 203 + 442 + 4 + 3 = 666.

It is not a de Polignac number, because 12343120344243 - 2² = 12343120344239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12343120344198 and 12343120344207.

It is not an unprimeable number, because it can be changed into a prime (12343120344043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 379468468 + ... + 379500993.

Almost surely, 2^{12343120344243} is an apocalyptic number.

12343120344243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12343120344243 is a deficient number, since it is larger than the sum of its proper divisors (6995421547517).

12343120344243 is a wasteful number, since it uses less digits than its factorization.

12343120344243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758969619 (or 758969616 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 12343120344243 its reverse (34244302134321), we get a palindrome (46587422478564).

The spelling of 12343120344243 in words is "twelve trillion, three hundred forty-three billion, one hundred twenty million, three hundred forty-four thousand, two hundred forty-three".