230209109 has 16 divisors (see below), whose sum is σ = 251475840. Its totient is φ = 209472960.

The previous prime is 230209103. The next prime is 230209127. The reversal of 230209109 is 901902032.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230209109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230209103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499139 + ... + 499599.

It is an arithmetic number, because the mean of its divisors is an integer number (15717240).

Almost surely, 2^230209109 is an apocalyptic number.

It is an amenable number.

230209109 is a deficient number, since it is larger than the sum of its proper divisors (21266731).

230209109 is a wasteful number, since it uses less digits than its factorization.

230209109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 230209109 is about 15172.6434414047. The cubic root of 230209109 is about 612.8781917580.

The spelling of 230209109 in words is "two hundred thirty million, two hundred nine thousand, one hundred nine".