230466389 has 2 divisors, whose sum is σ = 230466390. Its totient is φ = 230466388.

The previous prime is 230466343. The next prime is 230466391. The reversal of 230466389 is 983664032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149646289 + 80820100 = 12233^2 + 8990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230466389 is a prime.

It is a super-2 number, since 2×230466389² = 106229512917398642, which contains 22 as substring.

Together with 230466391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230466319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115233194 + 115233195.

It is an arithmetic number, because the mean of its divisors is an integer number (115233195).

Almost surely, 2^230466389 is an apocalyptic number.

It is an amenable number.

230466389 is a deficient number, since it is larger than the sum of its proper divisors (1).

230466389 is an equidigital number, since it uses as much as digits as its factorization.

230466389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 230466389 is about 15181.1194909993. The cubic root of 230466389 is about 613.1064228029.

The spelling of 230466389 in words is "two hundred thirty million, four hundred sixty-six thousand, three hundred eighty-nine".