234042565 has 4 divisors (see below), whose sum is σ = 280851084. Its totient is φ = 187234048.

The previous prime is 234042559. The next prime is 234042577. The reversal of 234042565 is 565240432.

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 43850884 + 190191681 = 6622^2 + 13791^2 .

It is a cyclic number.

It is not a de Polignac number, because 234042565 - 2⁵ = 234042533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23404252 + ... + 23404261.

It is an arithmetic number, because the mean of its divisors is an integer number (70212771).

Almost surely, 2^234042565 is an apocalyptic number.

It is an amenable number.

234042565 is a deficient number, since it is larger than the sum of its proper divisors (46808519).

234042565 is an equidigital number, since it uses as much as digits as its factorization.

234042565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46808518.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 234042565 is about 15298.4497580637. The cubic root of 234042565 is about 616.2613765768.

Adding to 234042565 its reverse (565240432), we get a palindrome (799282997).

The spelling of 234042565 in words is "two hundred thirty-four million, forty-two thousand, five hundred sixty-five".