63221327523 has 32 divisors (see below), whose sum is σ = 99221760000. Its totient is φ = 39647864448.

The previous prime is 63221327497. The next prime is 63221327539. The reversal of 63221327523 is 32572312236.

63221327523 is a `hidden beast` number, since 6 + 322 + 1 + 327 + 5 + 2 + 3 = 666.

63221327523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63221327523 - 2²⁴ = 63204550307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63221327593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 883090 + ... + 951992.

It is an arithmetic number, because the mean of its divisors is an integer number (3100680000).

Almost surely, 2^63221327523 is an apocalyptic number.

63221327523 is a deficient number, since it is larger than the sum of its proper divisors (36000432477).

63221327523 is a wasteful number, since it uses less digits than its factorization.

63221327523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70928 (or 70922 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

Adding to 63221327523 its reverse (32572312236), we get a palindrome (95793639759).

The spelling of 63221327523 in words is "sixty-three billion, two hundred twenty-one million, three hundred twenty-seven thousand, five hundred twenty-three".