230603946955661 has 2 divisors, whose sum is σ = 230603946955662. Its totient is φ = 230603946955660.

The previous prime is 230603946955643. The next prime is 230603946955783. The reversal of 230603946955661 is 166559649306032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186721019868100 + 43882927087561 = 13664590^2 + 6624419^2 .

It is a cyclic number.

It is not a de Polignac number, because 230603946955661 - 2²⁶ = 230603879846797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230603945955661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115301973477830 + 115301973477831.

It is an arithmetic number, because the mean of its divisors is an integer number (115301973477831).

Almost surely, 2^{230603946955661} is an apocalyptic number.

It is an amenable number.

230603946955661 is a deficient number, since it is larger than the sum of its proper divisors (1).

230603946955661 is an equidigital number, since it uses as much as digits as its factorization.

230603946955661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188956800, while the sum is 65.

The spelling of 230603946955661 in words is "two hundred thirty trillion, six hundred three billion, nine hundred forty-six million, nine hundred fifty-five thousand, six hundred sixty-one".