523488010221 has 56 divisors (see below), whose sum is σ = 856439439264. Its totient is φ = 317186033760.

The previous prime is 523488010189. The next prime is 523488010231. The reversal of 523488010221 is 122010884325.

It is a happy number.

523488010221 is a `hidden beast` number, since 5 + 2 + 348 + 80 + 10 + 221 = 666.

It is not a de Polignac number, because 523488010221 - 2⁵ = 523488010189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523488010231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 55703295 + ... + 55712691.

Almost surely, 2^523488010221 is an apocalyptic number.

It is an amenable number.

523488010221 is a deficient number, since it is larger than the sum of its proper divisors (332951429043).

523488010221 is an equidigital number, since it uses as much as digits as its factorization.

523488010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16373 (or 16358 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

Adding to 523488010221 its reverse (122010884325), we get a palindrome (645498894546).

The spelling of 523488010221 in words is "five hundred twenty-three billion, four hundred eighty-eight million, ten thousand, two hundred twenty-one".