230238653 has 2 divisors, whose sum is σ = 230238654. Its totient is φ = 230238652.

The previous prime is 230238647. The next prime is 230238683. The reversal of 230238653 is 356832032.

230238653 is nontrivially palindromic in base 16.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125933284 + 104305369 = 11222^2 + 10213^2 .

It is a cyclic number.

It is not a de Polignac number, because 230238653 - 2¹⁰ = 230237629 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230238683) by changing a digit.

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 as a sum of consecutive naturals, namely, 115119326 + 115119327.

It is an arithmetic number, because the mean of its divisors is an integer number (115119327).

Almost surely, 2^230238653 is an apocalyptic number.

It is an amenable number.

230238653 is a deficient number, since it is larger than the sum of its proper divisors (1).

230238653 is an equidigital number, since it uses as much as digits as its factorization.

230238653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 230238653 is about 15173.6170045247. The cubic root of 230238653 is about 612.9044086452.

The spelling of 230238653 in words is "two hundred thirty million, two hundred thirty-eight thousand, six hundred fifty-three".