230812178 has 4 divisors (see below), whose sum is σ = 346218270. Its totient is φ = 115406088.

The previous prime is 230812139. The next prime is 230812181. The reversal of 230812178 is 871218032.

230812178 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 223592209 + 7219969 = 14953^2 + 2687^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57703043 + ... + 57703046.

Almost surely, 2^230812178 is an apocalyptic number.

230812178 is a deficient number, since it is larger than the sum of its proper divisors (115406092).

230812178 is a wasteful number, since it uses less digits than its factorization.

230812178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115406091.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 230812178 is about 15192.5040069108. The cubic root of 230812178 is about 613.4129020772.

The spelling of 230812178 in words is "two hundred thirty million, eight hundred twelve thousand, one hundred seventy-eight".