23285808513 has 24 divisors (see below), whose sum is σ = 36718269120. Its totient is φ = 14102811360.

The previous prime is 23285808499. The next prime is 23285808583. The reversal of 23285808513 is 31580858232.

It is not a de Polignac number, because 23285808513 - 2⁶ = 23285808449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23285808583) 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 23 ways as a sum of consecutive naturals, for example, 62908 + ... + 224786.

It is an arithmetic number, because the mean of its divisors is an integer number (1529927880).

Almost surely, 2^23285808513 is an apocalyptic number.

It is an amenable number.

23285808513 is a deficient number, since it is larger than the sum of its proper divisors (13432460607).

23285808513 is a wasteful number, since it uses less digits than its factorization.

23285808513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163349 (or 163346 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 23285808513 in words is "twenty-three billion, two hundred eighty-five million, eight hundred eight thousand, five hundred thirteen".