823328552960 has 96 divisors (see below), whose sum is σ = 1999309450320. Its totient is φ = 325363236864.

The previous prime is 823328552929. The next prime is 823328552987. The reversal of 823328552960 is 69255823328.

It is a super-2 number, since 2×823328552960² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365564 + ... + 1334276.

Almost surely, 2^823328552960 is an apocalyptic number.

823328552960 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 823328552960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999654725160).

823328552960 is an abundant number, since it is smaller than the sum of its proper divisors (1175980897360).

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

823328552960 is an equidigital number, since it uses as much as digits as its factorization.

823328552960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968823 (or 968803 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 823328552960 in words is "eight hundred twenty-three billion, three hundred twenty-eight million, five hundred fifty-two thousand, nine hundred sixty".