68421055823000 has 128 divisors (see below), whose sum is σ = 166183064087040. Its totient is φ = 26339238720000.

The previous prime is 68421055822963. The next prime is 68421055823011. The reversal of 68421055823000 is 32855012486.

68421055823000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×68421055823000³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486047 + ... + 11708046.

It is an arithmetic number, because the mean of its divisors is an integer number (1298305188180).

Almost surely, 2^{68421055823000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68421055823000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83091532043520).

68421055823000 is an abundant number, since it is smaller than the sum of its proper divisors (97762008264040).

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

68421055823000 is a wasteful number, since it uses less digits than its factorization.

68421055823000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12194326 (or 12194312 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 68421055823000 in words is "sixty-eight trillion, four hundred twenty-one billion, fifty-five million, eight hundred twenty-three thousand".