12043111343 has 4 divisors (see below), whose sum is σ = 12336845808. Its totient is φ = 11749376880.

The previous prime is 12043111331. The next prime is 12043111357. The reversal of 12043111343 is 34311134021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12043111343 - 2⁶ = 12043111279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043111303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146867171 + ... + 146867252.

It is an arithmetic number, because the mean of its divisors is an integer number (3084211452).

Almost surely, 2^12043111343 is an apocalyptic number.

12043111343 is a deficient number, since it is larger than the sum of its proper divisors (293734465).

12043111343 is an equidigital number, since it uses as much as digits as its factorization.

12043111343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293734464.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12043111343 its reverse (34311134021), we get a palindrome (46354245364).

The spelling of 12043111343 in words is "twelve billion, forty-three million, one hundred eleven thousand, three hundred forty-three".