12423604214640 has 320 divisors, whose sum is σ = 41503768588800. Its totient is φ = 3062722854912.

The previous prime is 12423604214579. The next prime is 12423604214647. The reversal of 12423604214640 is 4641240632421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423604214647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 303045984 + ... + 303086976.

It is an arithmetic number, because the mean of its divisors is an integer number (129699276840).

Almost surely, 2^{12423604214640} is an apocalyptic number.

12423604214640 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 12423604214640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20751884294400).

12423604214640 is an abundant number, since it is smaller than the sum of its proper divisors (29080164374160).

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

12423604214640 is a wasteful number, since it uses less digits than its factorization.

12423604214640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42344 (or 42338 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

The spelling of 12423604214640 in words is "twelve trillion, four hundred twenty-three billion, six hundred four million, two hundred fourteen thousand, six hundred forty".