523722880 has 128 divisors (see below), whose sum is σ = 1336020480. Its totient is φ = 195858432.

The previous prime is 523722869. The next prime is 523722883. The reversal of 523722880 is 88227325.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (523722883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691462 + ... + 692218.

It is an arithmetic number, because the mean of its divisors is an integer number (10437660).

Almost surely, 2^523722880 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 523722880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668010240).

523722880 is an abundant number, since it is smaller than the sum of its proper divisors (812297600).

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

523722880 is a wasteful number, since it uses less digits than its factorization.

523722880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 523722880 is about 22884.9924623103. The cubic root of 523722880 is about 806.0596515566.

The spelling of 523722880 in words is "five hundred twenty-three million, seven hundred twenty-two thousand, eight hundred eighty".