12432423422 has 8 divisors (see below), whose sum is σ = 18873317736. Its totient is φ = 6141317512.

The previous prime is 12432423413. The next prime is 12432423433. The reversal of 12432423422 is 22432423421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37446893 + ... + 37447224.

It is an arithmetic number, because the mean of its divisors is an integer number (2359164717).

Almost surely, 2^12432423422 is an apocalyptic number.

12432423422 is a deficient number, since it is larger than the sum of its proper divisors (6440894314).

12432423422 is an equidigital number, since it uses as much as digits as its factorization.

12432423422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74894202.

The product of its digits is 18432, while the sum is 29.

Adding to 12432423422 its reverse (22432423421), we get a palindrome (34864846843).

Subtracting 12432423422 from its reverse (22432423421), we obtain a palindrome (9999999999).

The spelling of 12432423422 in words is "twelve billion, four hundred thirty-two million, four hundred twenty-three thousand, four hundred twenty-two".