23320965 has 24 divisors (see below), whose sum is σ = 39019680. Its totient is φ = 11893024.

The previous prime is 23320963. The next prime is 23320987. The reversal of 23320965 is 56902332.

It is not a de Polignac number, because 23320965 - 2¹ = 23320963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6466 + ... + 9404.

It is an arithmetic number, because the mean of its divisors is an integer number (1625820).

Almost surely, 2^23320965 is an apocalyptic number.

It is an amenable number.

23320965 is a deficient number, since it is larger than the sum of its proper divisors (15698715).

23320965 is a wasteful number, since it uses less digits than its factorization.

23320965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993 (or 2970 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 23320965 is about 4829.1785015673. The cubic root of 23320965 is about 285.7034638163.

The spelling of 23320965 in words is "twenty-three million, three hundred twenty thousand, nine hundred sixty-five".