230544889 has 2 divisors, whose sum is σ = 230544890. Its totient is φ = 230544888.

The previous prime is 230544851. The next prime is 230544901. The reversal of 230544889 is 988445032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115347600 + 115197289 = 10740^2 + 10733^2 .

It is a cyclic number.

It is not a de Polignac number, because 230544889 - 2²³ = 222156281 is a prime.

It is not a weakly prime, because it can be changed into another prime (230544289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115272444 + 115272445.

It is an arithmetic number, because the mean of its divisors is an integer number (115272445).

Almost surely, 2^230544889 is an apocalyptic number.

It is an amenable number.

230544889 is a deficient number, since it is larger than the sum of its proper divisors (1).

230544889 is an equidigital number, since it uses as much as digits as its factorization.

230544889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 230544889 is about 15183.7047192047. The cubic root of 230544889 is about 613.1760257082.

The spelling of 230544889 in words is "two hundred thirty million, five hundred forty-four thousand, eight hundred eighty-nine".