230242109 has 2 divisors, whose sum is σ = 230242110. Its totient is φ = 230242108.

The previous prime is 230242099. The next prime is 230242141. The reversal of 230242109 is 901242032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120516484 + 109725625 = 10978^2 + 10475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230242109 is a prime.

It is a super-2 number, since 2×230242109² = 106022857513535762, 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 (230242189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115121054 + 115121055.

It is an arithmetic number, because the mean of its divisors is an integer number (115121055).

Almost surely, 2^230242109 is an apocalyptic number.

It is an amenable number.

230242109 is a deficient number, since it is larger than the sum of its proper divisors (1).

230242109 is an equidigital number, since it uses as much as digits as its factorization.

230242109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 230242109 is about 15173.7308859753. The cubic root of 230242109 is about 612.9074752995.

The spelling of 230242109 in words is "two hundred thirty million, two hundred forty-two thousand, one hundred nine".