230235553 has 4 divisors (see below), whose sum is σ = 238174740. Its totient is φ = 222296368.

The previous prime is 230235529. The next prime is 230235619. The reversal of 230235553 is 355532032.

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 93064609 + 137170944 = 9647^2 + 11712^2 .

It is not a de Polignac number, because 230235553 - 2⁹ = 230235041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230235953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3969550 + ... + 3969607.

It is an arithmetic number, because the mean of its divisors is an integer number (59543685).

Almost surely, 2^230235553 is an apocalyptic number.

It is an amenable number.

230235553 is a deficient number, since it is larger than the sum of its proper divisors (7939187).

230235553 is an equidigital number, since it uses as much as digits as its factorization.

230235553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7939186.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 230235553 is about 15173.5148531907. The cubic root of 230235553 is about 612.9016578586.

Adding to 230235553 its reverse (355532032), we get a palindrome (585767585).

The spelling of 230235553 in words is "two hundred thirty million, two hundred thirty-five thousand, five hundred fifty-three".