23053565 has 8 divisors (see below), whose sum is σ = 27711288. Its totient is φ = 18411520.

The previous prime is 23053523. The next prime is 23053571. The reversal of 23053565 is 56535032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1865956 + 21187609 = 1366^2 + 4603^2 .

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

It is not a de Polignac number, because 23053565 - 2⁶ = 23053501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392 + ... + 6801.

It is an arithmetic number, because the mean of its divisors is an integer number (3463911).

Almost surely, 2^23053565 is an apocalyptic number.

It is an amenable number.

23053565 is a deficient number, since it is larger than the sum of its proper divisors (4657723).

23053565 is an equidigital number, since it uses as much as digits as its factorization.

23053565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 23053565 is about 4801.4128129125. The cubic root of 23053565 is about 284.6072974515.

Adding to 23053565 its reverse (56535032), we get a palindrome (79588597).

The spelling of 23053565 in words is "twenty-three million, fifty-three thousand, five hundred sixty-five".