12943823 has 4 divisors (see below), whose sum is σ = 13259568. Its totient is φ = 12628080.

The previous prime is 12943813. The next prime is 12943829. The reversal of 12943823 is 32834921.

It is a happy number.

12943823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12943823 - 2¹⁰ = 12942799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12943823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12943829) 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, 157811 + ... + 157892.

It is an arithmetic number, because the mean of its divisors is an integer number (3314892).

Almost surely, 2^12943823 is an apocalyptic number.

12943823 is a deficient number, since it is larger than the sum of its proper divisors (315745).

12943823 is an equidigital number, since it uses as much as digits as its factorization.

12943823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315744.

The product of its digits is 10368, while the sum is 32.

The square root of 12943823 is about 3597.7524928766. The cubic root of 12943823 is about 234.7942850404.

The spelling of 12943823 in words is "twelve million, nine hundred forty-three thousand, eight hundred twenty-three".