230605553 has 4 divisors (see below), whose sum is σ = 231456768. Its totient is φ = 229754340.

The previous prime is 230605549. The next prime is 230605577. The reversal of 230605553 is 355506032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230605553 - 2² = 230605549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230605513) 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 in 3 ways as a sum of consecutive naturals, for example, 425201 + ... + 425742.

It is an arithmetic number, because the mean of its divisors is an integer number (57864192).

Almost surely, 2^230605553 is an apocalyptic number.

It is an amenable number.

230605553 is a deficient number, since it is larger than the sum of its proper divisors (851215).

230605553 is an equidigital number, since it uses as much as digits as its factorization.

230605553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851214.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 230605553 is about 15185.7022557404. The cubic root of 230605553 is about 613.2298033021.

The spelling of 230605553 in words is "two hundred thirty million, six hundred five thousand, five hundred fifty-three".