12423408 has 40 divisors (see below), whose sum is σ = 32581248. Its totient is φ = 4078272.

The previous prime is 12423407. The next prime is 12423409. The reversal of 12423408 is 80432421.

12423408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12423407) and next prime (12423409).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423401) 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, 1285 + ... + 5147.

Almost surely, 2^12423408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12423408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16290624).

12423408 is an abundant number, since it is smaller than the sum of its proper divisors (20157840).

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

12423408 is a wasteful number, since it uses less digits than its factorization.

12423408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941 (or 3935 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 12423408 is about 3524.6855178867. The cubic root of 12423408 is about 231.6044587960.

Adding to 12423408 its reverse (80432421), we get a palindrome (92855829).

It can be divided in two parts, 124 and 23408, that added together give a palindrome (23532).

The spelling of 12423408 in words is "twelve million, four hundred twenty-three thousand, four hundred eight".