12423653566 has 8 divisors (see below), whose sum is σ = 18732037824. Its totient is φ = 6179640960.

The previous prime is 12423653551. The next prime is 12423653579. The reversal of 12423653566 is 66535632421.

12423653566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 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, 16092430 + ... + 16093201.

It is an arithmetic number, because the mean of its divisors is an integer number (2341504728).

Almost surely, 2^12423653566 is an apocalyptic number.

12423653566 is a deficient number, since it is larger than the sum of its proper divisors (6308384258).

12423653566 is a wasteful number, since it uses less digits than its factorization.

12423653566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32185826.

The product of its digits is 777600, while the sum is 43.

The spelling of 12423653566 in words is "twelve billion, four hundred twenty-three million, six hundred fifty-three thousand, five hundred sixty-six".