523361565673 has 2 divisors, whose sum is σ = 523361565674. Its totient is φ = 523361565672.

The previous prime is 523361565653. The next prime is 523361565721. The reversal of 523361565673 is 376565163325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 482228858329 + 41132707344 = 694427^2 + 202812^2 .

It is a cyclic number.

It is not a de Polignac number, because 523361565673 - 2⁹ = 523361565161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 523361565673.

It is not a weakly prime, because it can be changed into another prime (523361565653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261680782836 + 261680782837.

It is an arithmetic number, because the mean of its divisors is an integer number (261680782837).

Almost surely, 2^523361565673 is an apocalyptic number.

It is an amenable number.

523361565673 is a deficient number, since it is larger than the sum of its proper divisors (1).

523361565673 is an equidigital number, since it uses as much as digits as its factorization.

523361565673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206000, while the sum is 52.

The spelling of 523361565673 in words is "five hundred twenty-three billion, three hundred sixty-one million, five hundred sixty-five thousand, six hundred seventy-three".