12423042 has 24 divisors (see below), whose sum is σ = 26981760. Its totient is φ = 4131000.

The previous prime is 12423031. The next prime is 12423053. The reversal of 12423042 is 24032421.

It is an interprime number because it is at equal distance from previous prime (12423031) and next prime (12423053).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13059 + ... + 13977.

It is an arithmetic number, because the mean of its divisors is an integer number (1124240).

Almost surely, 2^12423042 is an apocalyptic number.

12423042 is an abundant number, since it is smaller than the sum of its proper divisors (14558718).

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

12423042 is a wasteful number, since it uses less digits than its factorization.

12423042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12423042 is about 3524.6335979787. The cubic root of 12423042 is about 231.6021843781.

Adding to 12423042 its reverse (24032421), we get a palindrome (36455463).

The spelling of 12423042 in words is "twelve million, four hundred twenty-three thousand, forty-two".