12343843 has 4 divisors (see below), whose sum is σ = 12492648. Its totient is φ = 12195040.

The previous prime is 12343817. The next prime is 12343861. The reversal of 12343843 is 34834321.

12343843 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 12343843 - 2¹⁷ = 12212771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12343813) 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, 74278 + ... + 74443.

It is an arithmetic number, because the mean of its divisors is an integer number (3123162).

Almost surely, 2^12343843 is an apocalyptic number.

12343843 is a deficient number, since it is larger than the sum of its proper divisors (148805).

12343843 is an equidigital number, since it uses as much as digits as its factorization.

12343843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148804.

The product of its digits is 6912, while the sum is 28.

The square root of 12343843 is about 3513.3805657799. The cubic root of 12343843 is about 231.1089670368.

The spelling of 12343843 in words is "twelve million, three hundred forty-three thousand, eight hundred forty-three".