230442012161 has 2 divisors, whose sum is σ = 230442012162. Its totient is φ = 230442012160.

The previous prime is 230442012133. The next prime is 230442012187. The reversal of 230442012161 is 161210244032.

It is an a-pointer prime, because the next prime (230442012187) can be obtained adding 230442012161 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230424000625 + 18011536 = 480025^2 + 4244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230442012161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230442012161.

It is not a weakly prime, because it can be changed into another prime (230442015161) 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, 115221006080 + 115221006081.

It is an arithmetic number, because the mean of its divisors is an integer number (115221006081).

Almost surely, 2^230442012161 is an apocalyptic number.

It is an amenable number.

230442012161 is a deficient number, since it is larger than the sum of its proper divisors (1).

230442012161 is an equidigital number, since it uses as much as digits as its factorization.

230442012161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 230442012161 its reverse (161210244032), we get a palindrome (391652256193).

The spelling of 230442012161 in words is "two hundred thirty billion, four hundred forty-two million, twelve thousand, one hundred sixty-one".