523147680 has 384 divisors, whose sum is σ = 2035756800. Its totient is φ = 124416000.

The previous prime is 523147657. The next prime is 523147687. The reversal of 523147680 is 86741325.

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

It is not an unprimeable number, because it can be changed into a prime (523147687) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4799466 + ... + 4799574.

It is an arithmetic number, because the mean of its divisors is an integer number (5301450).

Almost surely, 2^523147680 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 523147680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017878400).

523147680 is an abundant number, since it is smaller than the sum of its proper divisors (1512609120).

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

523147680 is a wasteful number, since it uses less digits than its factorization.

523147680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 523147680 is about 22872.4218219234. The cubic root of 523147680 is about 805.7644475011.

The spelling of 523147680 in words is "five hundred twenty-three million, one hundred forty-seven thousand, six hundred eighty".