230312906 has 16 divisors (see below), whose sum is σ = 366094080. Its totient is φ = 108292800.

The previous prime is 230312861. The next prime is 230312909. The reversal of 230312906 is 609213032.

230312906 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230312909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57881 + ... + 61731.

It is an arithmetic number, because the mean of its divisors is an integer number (22880880).

Almost surely, 2^230312906 is an apocalyptic number.

230312906 is a deficient number, since it is larger than the sum of its proper divisors (135781174).

230312906 is a wasteful number, since it uses less digits than its factorization.

230312906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 230312906 is about 15176.0635871098. The cubic root of 230312906 is about 612.9702897052.

Adding to 230312906 its reverse (609213032), we get a palindrome (839525938).

The spelling of 230312906 in words is "two hundred thirty million, three hundred twelve thousand, nine hundred six".