12423655605000 has 160 divisors (see below), whose sum is σ = 38833424451360. Its totient is φ = 3311103360000.

The previous prime is 12423655604993. The next prime is 12423655605017. The reversal of 12423655605000 is 50655632421.

It is a self number, because there is not a number n which added to its sum of digits gives 12423655605000.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26421955 + ... + 26888045.

It is an arithmetic number, because the mean of its divisors is an integer number (242708902821).

Almost surely, 2^{12423655605000} is an apocalyptic number.

12423655605000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12423655605000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19416712225680).

12423655605000 is an abundant number, since it is smaller than the sum of its proper divisors (26409768846360).

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

12423655605000 is a wasteful number, since it uses less digits than its factorization.

12423655605000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467897 (or 467878 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 12423655605000 in words is "twelve trillion, four hundred twenty-three billion, six hundred fifty-five million, six hundred five thousand".