230506109 has 2 divisors, whose sum is σ = 230506110. Its totient is φ = 230506108.

The previous prime is 230506103. The next prime is 230506117. The reversal of 230506109 is 901605032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217474009 + 13032100 = 14747^2 + 3610^2 .

It is a cyclic number.

It is not a de Polignac number, because 230506109 - 2⁴ = 230506093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230506103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115253054 + 115253055.

It is an arithmetic number, because the mean of its divisors is an integer number (115253055).

Almost surely, 2^230506109 is an apocalyptic number.

It is an amenable number.

230506109 is a deficient number, since it is larger than the sum of its proper divisors (1).

230506109 is an equidigital number, since it uses as much as digits as its factorization.

230506109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 230506109 is about 15182.4276385564. The cubic root of 230506109 is about 613.1416429613.

The spelling of 230506109 in words is "two hundred thirty million, five hundred six thousand, one hundred nine".