823420360224000 has 6912 divisors, whose sum is σ = 4054808904007680. Its totient is φ = 156565094400000.

The previous prime is 823420360223983. The next prime is 823420360224053. The reversal of 823420360224000 is 422063024328.

823420360224000 is a `hidden beast` number, since 8 + 2 + 3 + 4 + 2 + 0 + 3 + 602 + 2 + 40 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 1580461343740 + ... + 1580461344260.

It is an arithmetic number, because the mean of its divisors is an integer number (586633232640).

Almost surely, 2^{823420360224000} is an apocalyptic number.

823420360224000 is a gapful number since it is divisible by the number (80) 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 823420360224000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2027404452003840).

823420360224000 is an abundant number, since it is smaller than the sum of its proper divisors (3231388543783680).

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

823420360224000 is a wasteful number, since it uses less digits than its factorization.

823420360224000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 823420360224000 in words is "eight hundred twenty-three trillion, four hundred twenty billion, three hundred sixty million, two hundred twenty-four thousand".