12323438 has 8 divisors (see below), whose sum is σ = 19458120. Its totient is φ = 5837400.

The previous prime is 12323429. The next prime is 12323459. The reversal of 12323438 is 83432321.

12323438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162113 + ... + 162188.

It is an arithmetic number, because the mean of its divisors is an integer number (2432265).

Almost surely, 2^12323438 is an apocalyptic number.

12323438 is a deficient number, since it is larger than the sum of its proper divisors (7134682).

12323438 is a wasteful number, since it uses less digits than its factorization.

12323438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324322.

The product of its digits is 3456, while the sum is 26.

The square root of 12323438 is about 3510.4754663720. The cubic root of 12323438 is about 230.9815518459.

Adding to 12323438 its reverse (83432321), we get a palindrome (95755759).

The spelling of 12323438 in words is "twelve million, three hundred twenty-three thousand, four hundred thirty-eight".