20327358523 has 8 divisors (see below), whose sum is σ = 20457400016. Its totient is φ = 20197382400.

The previous prime is 20327358521. The next prime is 20327358539. The reversal of 20327358523 is 32585372302.

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 20327358523 - 2¹ = 20327358521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20327358521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709843 + ... + 737923.

It is an arithmetic number, because the mean of its divisors is an integer number (2557175002).

Almost surely, 2^20327358523 is an apocalyptic number.

20327358523 is a deficient number, since it is larger than the sum of its proper divisors (130041493).

20327358523 is a wasteful number, since it uses less digits than its factorization.

20327358523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32685.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 20327358523 in words is "twenty billion, three hundred twenty-seven million, three hundred fifty-eight thousand, five hundred twenty-three".