12132432423 has 16 divisors (see below), whose sum is σ = 18459758560. Its totient is φ = 7869685248.

The previous prime is 12132432421. The next prime is 12132432439. The reversal of 12132432423 is 32423423121.

12132432423 is a `hidden beast` number, since 1 + 213 + 24 + 3 + 2 + 423 = 666.

12132432423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12132432423 - 2¹ = 12132432421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132432421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6071290 + ... + 6073287.

It is an arithmetic number, because the mean of its divisors is an integer number (1153734910).

Almost surely, 2^12132432423 is an apocalyptic number.

12132432423 is a deficient number, since it is larger than the sum of its proper divisors (6327326137).

12132432423 is a wasteful number, since it uses less digits than its factorization.

12132432423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12144623 (or 12144617 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 12132432423 its reverse (32423423121), we get a palindrome (44555855544).

The spelling of 12132432423 in words is "twelve billion, one hundred thirty-two million, four hundred thirty-two thousand, four hundred twenty-three".