12432400423000 has 64 divisors (see below), whose sum is σ = 29568732167520. Its totient is φ = 4891436208000.

The previous prime is 12432400422961. The next prime is 12432400423057. The reversal of 12432400423000 is 32400423421.

It is a happy number.

12432400423000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101843922 + ... + 101965921.

Almost surely, 2^{12432400423000} is an apocalyptic number.

12432400423000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12432400423000 is an abundant number, since it is smaller than the sum of its proper divisors (17136331744520).

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

12432400423000 is a wasteful number, since it uses less digits than its factorization.

12432400423000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203809925 (or 203809911 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12432400423000 its reverse (32400423421), we get a palindrome (12464800846421).

The spelling of 12432400423000 in words is "twelve trillion, four hundred thirty-two billion, four hundred million, four hundred twenty-three thousand".