230403605 has 4 divisors (see below), whose sum is σ = 276484332. Its totient is φ = 184322880.

The previous prime is 230403587. The next prime is 230403619. The reversal of 230403605 is 506304032.

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 30096196 + 200307409 = 5486^2 + 14153^2 .

It is not a de Polignac number, because 230403605 - 2¹⁴ = 230387221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 23040356 + ... + 23040365.

It is an arithmetic number, because the mean of its divisors is an integer number (69121083).

Almost surely, 2^230403605 is an apocalyptic number.

It is an amenable number.

230403605 is a deficient number, since it is larger than the sum of its proper divisors (46080727).

230403605 is an equidigital number, since it uses as much as digits as its factorization.

230403605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46080726.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 230403605 is about 15179.0515184579. The cubic root of 230403605 is about 613.0507432888.

Adding to 230403605 its reverse (506304032), we get a palindrome (736707637).

The spelling of 230403605 in words is "two hundred thirty million, four hundred three thousand, six hundred five".