523376703556563 has 4 divisors (see below), whose sum is σ = 697835604742088. Its totient is φ = 348917802371040.

The previous prime is 523376703556561. The next prime is 523376703556571. The reversal of 523376703556563 is 365655307673325.

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

It is not a de Polignac number, because 523376703556563 - 2¹ = 523376703556561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523376703556494 and 523376703556503.

It is not an unprimeable number, because it can be changed into a prime (523376703556561) 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, 87229450592758 + ... + 87229450592763.

It is an arithmetic number, because the mean of its divisors is an integer number (174458901185522).

Almost surely, 2^{523376703556563} is an apocalyptic number.

523376703556563 is a deficient number, since it is larger than the sum of its proper divisors (174458901185525).

523376703556563 is a wasteful number, since it uses less digits than its factorization.

523376703556563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174458901185524.

The product of its (nonzero) digits is 1071630000, while the sum is 66.

The spelling of 523376703556563 in words is "five hundred twenty-three trillion, three hundred seventy-six billion, seven hundred three million, five hundred fifty-six thousand, five hundred sixty-three".