12342423 has 16 divisors (see below), whose sum is σ = 17006976. Its totient is φ = 7956000.

The previous prime is 12342409. The next prime is 12342437. The reversal of 12342423 is 32424321.

12342423 is digitally balanced in base 3, 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 (12342409) and next prime (12342437).

It is not a de Polignac number, because 12342423 - 2⁶ = 12342359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12342423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27640 + ... + 28082.

It is an arithmetic number, because the mean of its divisors is an integer number (1062936).

Almost surely, 2^12342423 is an apocalyptic number.

12342423 is a deficient number, since it is larger than the sum of its proper divisors (4664553).

12342423 is a wasteful number, since it uses less digits than its factorization.

12342423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734.

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

The square root of 12342423 is about 3513.1784753980. The cubic root of 12342423 is about 231.1001046612.

Adding to 12342423 its reverse (32424321), we get a palindrome (44766744).

The spelling of 12342423 in words is "twelve million, three hundred forty-two thousand, four hundred twenty-three".