230233122321989 has 2 divisors, whose sum is σ = 230233122321990. Its totient is φ = 230233122321988.

The previous prime is 230233122321911. The next prime is 230233122322039. The reversal of 230233122321989 is 989123221332032.

230233122321989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (230233122322039) can be obtained adding 230233122321989 to its sum of digits (50).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154116954928225 + 76116167393764 = 12414385^2 + 8724458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230233122321989 is a prime.

It is a super-2 number, since 2×230233122321989² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230233122311989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115116561160994 + 115116561160995.

It is an arithmetic number, because the mean of its divisors is an integer number (115116561160995).

Almost surely, 2^{230233122321989} is an apocalyptic number.

It is an amenable number.

230233122321989 is a deficient number, since it is larger than the sum of its proper divisors (1).

230233122321989 is an equidigital number, since it uses as much as digits as its factorization.

230233122321989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 230233122321989 in words is "two hundred thirty trillion, two hundred thirty-three billion, one hundred twenty-two million, three hundred twenty-one thousand, nine hundred eighty-nine".