523823172180011 has 16 divisors (see below), whose sum is σ = 572290155122400. Its totient is φ = 475497778110720.

The previous prime is 523823172180001. The next prime is 523823172180017. The reversal of 523823172180011 is 110081271328325.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 523823172180011 - 2³⁴ = 523805992310827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (523823172180017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10320161 + ... + 33972813.

It is an arithmetic number, because the mean of its divisors is an integer number (35768134695150).

Almost surely, 2^{523823172180011} is an apocalyptic number.

523823172180011 is a deficient number, since it is larger than the sum of its proper divisors (48466982942389).

523823172180011 is a wasteful number, since it uses less digits than its factorization.

523823172180011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23655646.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 523823172180011 in words is "five hundred twenty-three trillion, eight hundred twenty-three billion, one hundred seventy-two million, one hundred eighty thousand, eleven".