12243423 has 8 divisors (see below), whose sum is σ = 16887600. Its totient is φ = 7880768.

The previous prime is 12243403. The next prime is 12243431. The reversal of 12243423 is 32434221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12243423 - 2⁸ = 12243167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12243423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70278 + ... + 70451.

It is an arithmetic number, because the mean of its divisors is an integer number (2110950).

Almost surely, 2^12243423 is an apocalyptic number.

12243423 is a deficient number, since it is larger than the sum of its proper divisors (4644177).

12243423 is a wasteful number, since it uses less digits than its factorization.

12243423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140761.

The product of its digits is 1152, while the sum is 21.

The square root of 12243423 is about 3499.0603024241. The cubic root of 12243423 is about 230.4805516534.

Adding to 12243423 its reverse (32434221), we get a palindrome (44677644).

The spelling of 12243423 in words is "twelve million, two hundred forty-three thousand, four hundred twenty-three".