63523535323123 has 16 divisors (see below), whose sum is σ = 68153218922880. Its totient is φ = 58993999174656.

The previous prime is 63523535323111. The next prime is 63523535323177. The reversal of 63523535323123 is 32132353532536.

It is not a de Polignac number, because 63523535323123 - 2²⁵ = 63523501768691 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (63523535323223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12248586 + ... + 16645567.

It is an arithmetic number, because the mean of its divisors is an integer number (4259576182680).

Almost surely, 2^{63523535323123} is an apocalyptic number.

63523535323123 is a deficient number, since it is larger than the sum of its proper divisors (4629683599757).

63523535323123 is a wasteful number, since it uses less digits than its factorization.

63523535323123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28895886.

The product of its digits is 4374000, while the sum is 46.

Adding to 63523535323123 its reverse (32132353532536), we get a palindrome (95655888855659).

The spelling of 63523535323123 in words is "sixty-three trillion, five hundred twenty-three billion, five hundred thirty-five million, three hundred twenty-three thousand, one hundred twenty-three".