230723249 has 2 divisors, whose sum is σ = 230723250. Its totient is φ = 230723248.

The previous prime is 230723239. The next prime is 230723261. The reversal of 230723249 is 942327032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224041024 + 6682225 = 14968^2 + 2585^2 .

It is a cyclic number.

It is not a de Polignac number, because 230723249 - 2²⁰ = 229674673 is a prime.

It is not a weakly prime, because it can be changed into another prime (230723239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115361624 + 115361625.

It is an arithmetic number, because the mean of its divisors is an integer number (115361625).

Almost surely, 2^230723249 is an apocalyptic number.

It is an amenable number.

230723249 is a deficient number, since it is larger than the sum of its proper divisors (1).

230723249 is an equidigital number, since it uses as much as digits as its factorization.

230723249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 230723249 is about 15189.5769855516. The cubic root of 230723249 is about 613.3341118912.

The spelling of 230723249 in words is "two hundred thirty million, seven hundred twenty-three thousand, two hundred forty-nine".