23968021785 has 8 divisors (see below), whose sum is σ = 38348834880. Its totient is φ = 12782944944.

The previous prime is 23968021747. The next prime is 23968021807. The reversal of 23968021785 is 58712086932.

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

It is not a de Polignac number, because 23968021785 - 2¹³ = 23968013593 is a prime.

It is an unprimeable number.

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, 798934045 + ... + 798934074.

It is an arithmetic number, because the mean of its divisors is an integer number (4793604360).

Almost surely, 2^23968021785 is an apocalyptic number.

It is an amenable number.

23968021785 is a deficient number, since it is larger than the sum of its proper divisors (14380813095).

23968021785 is a wasteful number, since it uses less digits than its factorization.

23968021785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597868127.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 23968021785 in words is "twenty-three billion, nine hundred sixty-eight million, twenty-one thousand, seven hundred eighty-five".