230863109 has 2 divisors, whose sum is σ = 230863110. Its totient is φ = 230863108.

The previous prime is 230863099. The next prime is 230863117. The reversal of 230863109 is 901368032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217562500 + 13300609 = 14750^2 + 3647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230863109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230863159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115431554 + 115431555.

It is an arithmetic number, because the mean of its divisors is an integer number (115431555).

Almost surely, 2^230863109 is an apocalyptic number.

It is an amenable number.

230863109 is a deficient number, since it is larger than the sum of its proper divisors (1).

230863109 is an equidigital number, since it uses as much as digits as its factorization.

230863109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 230863109 is about 15194.1801029210. The cubic root of 230863109 is about 613.4580173092.

The spelling of 230863109 in words is "two hundred thirty million, eight hundred sixty-three thousand, one hundred nine".