23099965 has 8 divisors (see below), whose sum is σ = 31680000. Its totient is φ = 15839952.

The previous prime is 23099963. The next prime is 23099969. The reversal of 23099965 is 56999032.

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 23099965 - 2¹ = 23099963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23099963) 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 7 ways as a sum of consecutive naturals, for example, 329965 + ... + 330034.

It is an arithmetic number, because the mean of its divisors is an integer number (3960000).

Almost surely, 2^23099965 is an apocalyptic number.

It is an amenable number.

23099965 is a deficient number, since it is larger than the sum of its proper divisors (8580035).

23099965 is an equidigital number, since it uses as much as digits as its factorization.

23099965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660011.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 23099965 is about 4806.2422951824. The cubic root of 23099965 is about 284.7981128954.

The spelling of 23099965 in words is "twenty-three million, ninety-nine thousand, nine hundred sixty-five".