12343456 has 48 divisors (see below), whose sum is σ = 26224128. Its totient is φ = 5702400.

The previous prime is 12343447. The next prime is 12343481. The reversal of 12343456 is 65434321.

12343456 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22546 + ... + 23086.

It is an arithmetic number, because the mean of its divisors is an integer number (546336).

Almost surely, 2^12343456 is an apocalyptic number.

12343456 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 12343456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13112064).

12343456 is an abundant number, since it is smaller than the sum of its proper divisors (13880672).

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

12343456 is a wasteful number, since it uses less digits than its factorization.

12343456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 597 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 12343456 is about 3513.3254901873. The cubic root of 12343456 is about 231.1065517948.

Adding to 12343456 its reverse (65434321), we get a palindrome (77777777).

The spelling of 12343456 in words is "twelve million, three hundred forty-three thousand, four hundred fifty-six".