12323456 has 32 divisors (see below), whose sum is σ = 25132800. Its totient is φ = 6015744.

The previous prime is 12323429. The next prime is 12323459. The reversal of 12323456 is 65432321.

12323456 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a tau number, because it is divible by the number of its divisors (32).

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

It is not an unprimeable number, because it can be changed into a prime (12323459) 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, 4385 + ... + 6623.

It is an arithmetic number, because the mean of its divisors is an integer number (785400).

Almost surely, 2^12323456 is an apocalyptic number.

12323456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12323456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12566400).

12323456 is an abundant number, since it is smaller than the sum of its proper divisors (12809344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12323456 is an equidigital number, since it uses as much as digits as its factorization.

12323456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2284 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 12323456 is about 3510.4780301264. The cubic root of 12323456 is about 230.9816643055.

Adding to 12323456 its reverse (65432321), we get a palindrome (77755777).

The spelling of 12323456 in words is "twelve million, three hundred twenty-three thousand, four hundred fifty-six".