230512553 has 4 divisors (see below), whose sum is σ = 236742660. Its totient is φ = 224282448.

The previous prime is 230512531. The next prime is 230512567. The reversal of 230512553 is 355215032.

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 198612649 + 31899904 = 14093^2 + 5648^2 .

It is a cyclic number.

It is not a de Polignac number, because 230512553 - 2⁸ = 230512297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230512153) 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, 3114998 + ... + 3115071.

It is an arithmetic number, because the mean of its divisors is an integer number (59185665).

Almost surely, 2^230512553 is an apocalyptic number.

It is an amenable number.

230512553 is a deficient number, since it is larger than the sum of its proper divisors (6230107).

230512553 is an equidigital number, since it uses as much as digits as its factorization.

230512553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230106.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 230512553 is about 15182.6398560988. The cubic root of 230512553 is about 613.1473565452.

Adding to 230512553 its reverse (355215032), we get a palindrome (585727585).

The spelling of 230512553 in words is "two hundred thirty million, five hundred twelve thousand, five hundred fifty-three".