23288065 has 4 divisors (see below), whose sum is σ = 27945684. Its totient is φ = 18630448.

The previous prime is 23288063. The next prime is 23288081. The reversal of 23288065 is 56088232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12159169 + 11128896 = 3487^2 + 3336^2 .

It is a cyclic number.

It is not a de Polignac number, because 23288065 - 2¹ = 23288063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23288065.

It is not an unprimeable number, because it can be changed into a prime (23288063) 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, 2328802 + ... + 2328811.

It is an arithmetic number, because the mean of its divisors is an integer number (6986421).

Almost surely, 2^23288065 is an apocalyptic number.

It is an amenable number.

23288065 is a deficient number, since it is larger than the sum of its proper divisors (4657619).

23288065 is an equidigital number, since it uses as much as digits as its factorization.

23288065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657618.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 23288065 is about 4825.7709228682. The cubic root of 23288065 is about 285.5690487438.

The spelling of 23288065 in words is "twenty-three million, two hundred eighty-eight thousand, sixty-five".