63560042423 has 4 divisors (see below), whose sum is σ = 63572701248. Its totient is φ = 63547383600.

The previous prime is 63560042333. The next prime is 63560042437. The reversal of 63560042423 is 32424006536.

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

It is a cyclic number.

It is not a de Polignac number, because 63560042423 - 2³⁰ = 62486300599 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 (63560042453) 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, 6321878 + ... + 6331923.

It is an arithmetic number, because the mean of its divisors is an integer number (15893175312).

Almost surely, 2^63560042423 is an apocalyptic number.

63560042423 is a deficient number, since it is larger than the sum of its proper divisors (12658825).

63560042423 is a wasteful number, since it uses less digits than its factorization.

63560042423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12658824.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 63560042423 its reverse (32424006536), we get a palindrome (95984048959).

The spelling of 63560042423 in words is "sixty-three billion, five hundred sixty million, forty-two thousand, four hundred twenty-three".