12043023013 has 4 divisors (see below), whose sum is σ = 13763454880. Its totient is φ = 10322591148.

The previous prime is 12043023007. The next prime is 12043023017. The reversal of 12043023013 is 31032034021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12043023013 - 2⁹ = 12043022501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043023017) 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, 860215923 + ... + 860215936.

It is an arithmetic number, because the mean of its divisors is an integer number (3440863720).

Almost surely, 2^12043023013 is an apocalyptic number.

It is an amenable number.

12043023013 is a deficient number, since it is larger than the sum of its proper divisors (1720431867).

12043023013 is an equidigital number, since it uses as much as digits as its factorization.

12043023013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720431866.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12043023013 its reverse (31032034021), we get a palindrome (43075057034).

The spelling of 12043023013 in words is "twelve billion, forty-three million, twenty-three thousand, thirteen".