12423919188 has 12 divisors (see below), whose sum is σ = 28989144800. Its totient is φ = 4141306392.

The previous prime is 12423919187. The next prime is 12423919217. The reversal of 12423919188 is 88191932421.

It is a happy number.

12423919188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423919181) 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 3 ways as a sum of consecutive naturals, for example, 517663288 + ... + 517663311.

Almost surely, 2^12423919188 is an apocalyptic number.

It is an amenable number.

12423919188 is an abundant number, since it is smaller than the sum of its proper divisors (16565225612).

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

12423919188 is a wasteful number, since it uses less digits than its factorization.

12423919188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035326606 (or 1035326604 counting only the distinct ones).

The product of its digits is 248832, while the sum is 48.

The spelling of 12423919188 in words is "twelve billion, four hundred twenty-three million, nine hundred nineteen thousand, one hundred eighty-eight".