230120549 has 2 divisors, whose sum is σ = 230120550. Its totient is φ = 230120548.

The previous prime is 230120531. The next prime is 230120557. The reversal of 230120549 is 945021032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120604324 + 109516225 = 10982^2 + 10465^2 .

It is a cyclic number.

It is not a de Polignac number, because 230120549 - 2¹⁶ = 230055013 is a prime.

It is a super-2 number, since 2×230120549² = 105910934144122802, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230120749) 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, 115060274 + 115060275.

It is an arithmetic number, because the mean of its divisors is an integer number (115060275).

Almost surely, 2^230120549 is an apocalyptic number.

It is an amenable number.

230120549 is a deficient number, since it is larger than the sum of its proper divisors (1).

230120549 is an equidigital number, since it uses as much as digits as its factorization.

230120549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 230120549 is about 15169.7247503045. The cubic root of 230120549 is about 612.7995915463.

The spelling of 230120549 in words is "two hundred thirty million, one hundred twenty thousand, five hundred forty-nine".