230303257 has 2 divisors, whose sum is σ = 230303258. Its totient is φ = 230303256.

The previous prime is 230303251. The next prime is 230303279. The reversal of 230303257 is 752303032.

It is a happy number.

230303257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194435136 + 35868121 = 13944^2 + 5989^2 .

It is a cyclic number.

It is not a de Polignac number, because 230303257 - 2²⁷ = 96085529 is a prime.

It is not a weakly prime, because it can be changed into another prime (230303251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115151628 + 115151629.

It is an arithmetic number, because the mean of its divisors is an integer number (115151629).

Almost surely, 2^230303257 is an apocalyptic number.

It is an amenable number.

230303257 is a deficient number, since it is larger than the sum of its proper divisors (1).

230303257 is an equidigital number, since it uses as much as digits as its factorization.

230303257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 230303257 is about 15175.7456818438. The cubic root of 230303257 is about 612.9617294194.

Adding to 230303257 its reverse (752303032), we get a palindrome (982606289).

The spelling of 230303257 in words is "two hundred thirty million, three hundred three thousand, two hundred fifty-seven".