230532817 has 2 divisors, whose sum is σ = 230532818. Its totient is φ = 230532816.

The previous prime is 230532779. The next prime is 230532821. The reversal of 230532817 is 718235032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230310976 + 221841 = 15176^2 + 471^2 .

It is a cyclic number.

It is not a de Polignac number, because 230532817 - 2⁷ = 230532689 is a prime.

It is not a weakly prime, because it can be changed into another prime (230532857) 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 as a sum of consecutive naturals, namely, 115266408 + 115266409.

It is an arithmetic number, because the mean of its divisors is an integer number (115266409).

Almost surely, 2^230532817 is an apocalyptic number.

It is an amenable number.

230532817 is a deficient number, since it is larger than the sum of its proper divisors (1).

230532817 is an equidigital number, since it uses as much as digits as its factorization.

230532817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 230532817 is about 15183.3071825607. The cubic root of 230532817 is about 613.1653229622.

Adding to 230532817 its reverse (718235032), we get a palindrome (948767849).

The spelling of 230532817 in words is "two hundred thirty million, five hundred thirty-two thousand, eight hundred seventeen".