63115632516423 has 4 divisors (see below), whose sum is σ = 84154176688568. Its totient is φ = 42077088344280.

The previous prime is 63115632516403. The next prime is 63115632516449. The reversal of 63115632516423 is 32461523651136.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 63115632516423 - 2³⁴ = 63098452647239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63115632516403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10519272086068 + ... + 10519272086073.

It is an arithmetic number, because the mean of its divisors is an integer number (21038544172142).

Almost surely, 2^{63115632516423} is an apocalyptic number.

63115632516423 is a deficient number, since it is larger than the sum of its proper divisors (21038544172145).

63115632516423 is a wasteful number, since it uses less digits than its factorization.

63115632516423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21038544172144.

The product of its digits is 2332800, while the sum is 48.

The spelling of 63115632516423 in words is "sixty-three trillion, one hundred fifteen billion, six hundred thirty-two million, five hundred sixteen thousand, four hundred twenty-three".