823387112160 has 192 divisors, whose sum is σ = 2684978150400. Its totient is φ = 211850627072.

The previous prime is 823387112159. The next prime is 823387112173. The reversal of 823387112160 is 61211783328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20679151 + ... + 20718929.

It is an arithmetic number, because the mean of its divisors is an integer number (13984261200).

Almost surely, 2^823387112160 is an apocalyptic number.

823387112160 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 823387112160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1342489075200).

823387112160 is an abundant number, since it is smaller than the sum of its proper divisors (1861591038240).

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

823387112160 is a wasteful number, since it uses less digits than its factorization.

823387112160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41313 (or 41305 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

Adding to 823387112160 its reverse (61211783328), we get a palindrome (884598895488).

The spelling of 823387112160 in words is "eight hundred twenty-three billion, three hundred eighty-seven million, one hundred twelve thousand, one hundred sixty".