12423343 has 4 divisors (see below), whose sum is σ = 12824128. Its totient is φ = 12022560.

The previous prime is 12423263. The next prime is 12423347. The reversal of 12423343 is 34332421.

It is a happy number.

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 12423343 - 2¹⁷ = 12292271 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 (12423347) 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, 200346 + ... + 200407.

It is an arithmetic number, because the mean of its divisors is an integer number (3206032).

Almost surely, 2^12423343 is an apocalyptic number.

12423343 is a deficient number, since it is larger than the sum of its proper divisors (400785).

12423343 is an equidigital number, since it uses as much as digits as its factorization.

12423343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400784.

The product of its digits is 1728, while the sum is 22.

The square root of 12423343 is about 3524.6762971938. The cubic root of 12423343 is about 231.6040548726.

Adding to 12423343 its reverse (34332421), we get a palindrome (46755764).

The spelling of 12423343 in words is "twelve million, four hundred twenty-three thousand, three hundred forty-three".