12432423311 has 32 divisors (see below), whose sum is σ = 16398336000. Its totient is φ = 9131395680.

The previous prime is 12432423299. The next prime is 12432423373. The reversal of 12432423311 is 11332423421.

It is not a de Polignac number, because 12432423311 - 2²² = 12428229007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432423911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269786 + ... + 312488.

It is an arithmetic number, because the mean of its divisors is an integer number (512448000).

Almost surely, 2^12432423311 is an apocalyptic number.

12432423311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12432423311 is a deficient number, since it is larger than the sum of its proper divisors (3965912689).

12432423311 is a wasteful number, since it uses less digits than its factorization.

12432423311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42939.

The product of its digits is 3456, while the sum is 26.

Adding to 12432423311 its reverse (11332423421), we get a palindrome (23764846732).

The spelling of 12432423311 in words is "twelve billion, four hundred thirty-two million, four hundred twenty-three thousand, three hundred eleven".