230530511 has 2 divisors, whose sum is σ = 230530512. Its totient is φ = 230530510.

The previous prime is 230530507. The next prime is 230530513. The reversal of 230530511 is 115035032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230530511 - 2² = 230530507 is a prime.

It is a super-2 number, since 2×230530511² = 106288633003842242, which contains 22 as substring.

Together with 230530513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230530513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115265255 + 115265256.

It is an arithmetic number, because the mean of its divisors is an integer number (115265256).

Almost surely, 2^230530511 is an apocalyptic number.

230530511 is a deficient number, since it is larger than the sum of its proper divisors (1).

230530511 is an equidigital number, since it uses as much as digits as its factorization.

230530511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 230530511 is about 15183.2312437109. The cubic root of 230530511 is about 613.1632784753.

Adding to 230530511 its reverse (115035032), we get a palindrome (345565543).

The spelling of 230530511 in words is "two hundred thirty million, five hundred thirty thousand, five hundred eleven".