9965586923 has 4 divisors (see below), whose sum is σ = 9989371560. Its totient is φ = 9941802288.

The previous prime is 9965586907. The next prime is 9965586929. The reversal of 9965586923 is 3296855699.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9965586923 - 2⁴ = 9965586907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9965586929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11891690 + ... + 11892527.

It is an arithmetic number, because the mean of its divisors is an integer number (2497342890).

Almost surely, 2^9965586923 is an apocalyptic number.

9965586923 is a deficient number, since it is larger than the sum of its proper divisors (23784637).

9965586923 is a wasteful number, since it uses less digits than its factorization.

9965586923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23784636.

The product of its digits is 31492800, while the sum is 62.

The square root of 9965586923 is about 99827.7863272546. The cubic root of 9965586923 is about 2151.9604921363.

The spelling of 9965586923 in words is "nine billion, nine hundred sixty-five million, five hundred eighty-six thousand, nine hundred twenty-three".