523873566720 has 1080 divisors, whose sum is σ = 2239424964504. Its totient is φ = 112566730752.

The previous prime is 523873566679. The next prime is 523873566743. The reversal of 523873566720 is 27665378325.

It is a happy number.

523873566720 is a `hidden beast` number, since 5 + 2 + 3 + 8 + 7 + 3 + 566 + 72 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20295991296 + 503577575424 = 142464^2 + 709632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 614153814 + ... + 614154666.

Almost surely, 2^523873566720 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 523873566720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119712482252).

523873566720 is an abundant number, since it is smaller than the sum of its proper divisors (1715551397784).

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

523873566720 is a wasteful number, since it uses less digits than its factorization.

523873566720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 54.

The spelling of 523873566720 in words is "five hundred twenty-three billion, eight hundred seventy-three million, five hundred sixty-six thousand, seven hundred twenty".