230213809 has 12 divisors (see below), whose sum is σ = 271800624. Its totient is φ = 194378184.

The previous prime is 230213807. The next prime is 230213857. The reversal of 230213809 is 908312032.

230213809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230213809 - 2¹ = 230213807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230213807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31779 + ... + 38344.

It is an arithmetic number, because the mean of its divisors is an integer number (22650052).

Almost surely, 2^230213809 is an apocalyptic number.

It is an amenable number.

230213809 is a deficient number, since it is larger than the sum of its proper divisors (41586815).

230213809 is an equidigital number, since it uses as much as digits as its factorization.

230213809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70204 (or 70197 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 230213809 is about 15172.7983246335. The cubic root of 230213809 is about 612.8823626151.

The spelling of 230213809 in words is "two hundred thirty million, two hundred thirteen thousand, eight hundred nine".