12404323 has 4 divisors (see below), whose sum is σ = 12416440. Its totient is φ = 12392208.

The previous prime is 12404311. The next prime is 12404333. The reversal of 12404323 is 32340421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12404323 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 12404323.

It is not an unprimeable number, because it can be changed into a prime (12404333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4365 + ... + 6622.

It is an arithmetic number, because the mean of its divisors is an integer number (3104110).

Almost surely, 2^12404323 is an apocalyptic number.

12404323 is a deficient number, since it is larger than the sum of its proper divisors (12117).

12404323 is a wasteful number, since it uses less digits than its factorization.

12404323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12116.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 12404323 is about 3521.9771435942. The cubic root of 12404323 is about 231.4858000922.

Adding to 12404323 its reverse (32340421), we get a palindrome (44744744).

The spelling of 12404323 in words is "twelve million, four hundred four thousand, three hundred twenty-three".