232359989 has 2 divisors, whose sum is σ = 232359990. Its totient is φ = 232359988.

The previous prime is 232359983. The next prime is 232359991. The reversal of 232359989 is 989953232.

232359989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230280625 + 2079364 = 15175^2 + 1442^2 .

It is a cyclic number.

It is not a de Polignac number, because 232359989 - 2¹⁶ = 232294453 is a prime.

Together with 232359991, 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 (232359983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116179994 + 116179995.

It is an arithmetic number, because the mean of its divisors is an integer number (116179995).

Almost surely, 2^232359989 is an apocalyptic number.

It is an amenable number.

232359989 is a deficient number, since it is larger than the sum of its proper divisors (1).

232359989 is an equidigital number, since it uses as much as digits as its factorization.

232359989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 50.

The square root of 232359989 is about 15243.3588490201. The cubic root of 232359989 is about 614.7810170633.

The spelling of 232359989 in words is "two hundred thirty-two million, three hundred fifty-nine thousand, nine hundred eighty-nine".