234320565 has 16 divisors (see below), whose sum is σ = 381268800. Its totient is φ = 122852352.

The previous prime is 234320533. The next prime is 234320591. The reversal of 234320565 is 565023432.

It is not a de Polignac number, because 234320565 - 2⁵ = 234320533 is a prime.

It is a super-2 number, since 2×234320565² = 109812254363838450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131500 + ... + 133269.

It is an arithmetic number, because the mean of its divisors is an integer number (23829300).

Almost surely, 2^234320565 is an apocalyptic number.

It is an amenable number.

234320565 is a deficient number, since it is larger than the sum of its proper divisors (146948235).

234320565 is a wasteful number, since it uses less digits than its factorization.

234320565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264836.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 234320565 is about 15307.5329494991. The cubic root of 234320565 is about 616.5052821741.

Adding to 234320565 its reverse (565023432), we get a palindrome (799343997).

The spelling of 234320565 in words is "two hundred thirty-four million, three hundred twenty thousand, five hundred sixty-five".