230387653 has 2 divisors, whose sum is σ = 230387654. Its totient is φ = 230387652.

The previous prime is 230387627. The next prime is 230387659. The reversal of 230387653 is 356783032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229128769 + 1258884 = 15137^2 + 1122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230387653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230387659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115193826 + 115193827.

It is an arithmetic number, because the mean of its divisors is an integer number (115193827).

Almost surely, 2^230387653 is an apocalyptic number.

It is an amenable number.

230387653 is a deficient number, since it is larger than the sum of its proper divisors (1).

230387653 is an equidigital number, since it uses as much as digits as its factorization.

230387653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 230387653 is about 15178.5260483355. The cubic root of 230387653 is about 613.0365947672.

The spelling of 230387653 in words is "two hundred thirty million, three hundred eighty-seven thousand, six hundred fifty-three".