232043989 has 2 divisors, whose sum is σ = 232043990. Its totient is φ = 232043988.

The previous prime is 232043971. The next prime is 232044011. The reversal of 232043989 is 989340232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202123089 + 29920900 = 14217^2 + 5470^2 .

It is a cyclic number.

It is not a de Polignac number, because 232043989 - 2⁵ = 232043957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232083989) 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, 116021994 + 116021995.

It is an arithmetic number, because the mean of its divisors is an integer number (116021995).

Almost surely, 2^232043989 is an apocalyptic number.

It is an amenable number.

232043989 is a deficient number, since it is larger than the sum of its proper divisors (1).

232043989 is an equidigital number, since it uses as much as digits as its factorization.

232043989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 232043989 is about 15232.9901529542. The cubic root of 232043989 is about 614.5021983567.

The spelling of 232043989 in words is "two hundred thirty-two million, forty-three thousand, nine hundred eighty-nine".