23352565 has 4 divisors (see below), whose sum is σ = 28023084. Its totient is φ = 18682048.

The previous prime is 23352551. The next prime is 23352583. The reversal of 23352565 is 56525332.

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 15046641 + 8305924 = 3879^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 23352565 - 2⁵ = 23352533 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2335252 + ... + 2335261.

It is an arithmetic number, because the mean of its divisors is an integer number (7005771).

Almost surely, 2^23352565 is an apocalyptic number.

It is an amenable number.

23352565 is a deficient number, since it is larger than the sum of its proper divisors (4670519).

23352565 is an equidigital number, since it uses as much as digits as its factorization.

23352565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670518.

The product of its digits is 27000, while the sum is 31.

The square root of 23352565 is about 4832.4491720038. The cubic root of 23352565 is about 285.8324486841.

Adding to 23352565 its reverse (56525332), we get a palindrome (79877897).

It can be divided in two parts, 2335 and 2565, that added together give a square (4900 = 70²).

The spelling of 23352565 in words is "twenty-three million, three hundred fifty-two thousand, five hundred sixty-five".