42563583423503 has 12 divisors (see below), whose sum is σ = 46370763044928. Its totient is φ = 39022640140320.

The previous prime is 42563583423497. The next prime is 42563583423533. The reversal of 42563583423503 is 30532438536524.

It is not a de Polignac number, because 42563583423503 - 2⁸ = 42563583423247 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 (42563583423533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1901676926 + ... + 1901699307.

It is an arithmetic number, because the mean of its divisors is an integer number (3864230253744).

Almost surely, 2^{42563583423503} is an apocalyptic number.

42563583423503 is a deficient number, since it is larger than the sum of its proper divisors (3807179621425).

42563583423503 is a wasteful number, since it uses less digits than its factorization.

42563583423503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803376302 (or 3803376283 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 53.

The spelling of 42563583423503 in words is "forty-two trillion, five hundred sixty-three billion, five hundred eighty-three million, four hundred twenty-three thousand, five hundred three".