523221480 has 192 divisors, whose sum is σ = 1836432000. Its totient is φ = 128798208.

The previous prime is 523221469. The next prime is 523221539. The reversal of 523221480 is 84122325.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239031 + ... + 241209.

It is an arithmetic number, because the mean of its divisors is an integer number (9564750).

Almost surely, 2^523221480 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 523221480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918216000).

523221480 is an abundant number, since it is smaller than the sum of its proper divisors (1313210520).

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

523221480 is a wasteful number, since it uses less digits than its factorization.

523221480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248 (or 2241 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 523221480 is about 22874.0350616152. The cubic root of 523221480 is about 805.8023352222.

The spelling of 523221480 in words is "five hundred twenty-three million, two hundred twenty-one thousand, four hundred eighty".