523660020601 has 8 divisors (see below), whose sum is σ = 531611792640. Its totient is φ = 515712247248.

The previous prime is 523660020553. The next prime is 523660020617. The reversal of 523660020601 is 106020066325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 523660020601 - 2¹⁹ = 523659496313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523660021601) 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 7 ways as a sum of consecutive naturals, for example, 735241 + ... + 1260118.

It is an arithmetic number, because the mean of its divisors is an integer number (66451474080).

Almost surely, 2^523660020601 is an apocalyptic number.

It is an amenable number.

523660020601 is a deficient number, since it is larger than the sum of its proper divisors (7951772039).

523660020601 is a wasteful number, since it uses less digits than its factorization.

523660020601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999343.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 523660020601 its reverse (106020066325), we get a palindrome (629680086926).

The spelling of 523660020601 in words is "five hundred twenty-three billion, six hundred sixty million, twenty thousand, six hundred one".