230328978 has 32 divisors (see below), whose sum is σ = 506511360. Its totient is φ = 69244560.

The previous prime is 230328961. The next prime is 230328997. The reversal of 230328978 is 879823032.

230328978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5358 + ... + 22121.

It is an arithmetic number, because the mean of its divisors is an integer number (15828480).

Almost surely, 2^230328978 is an apocalyptic number.

230328978 is an abundant number, since it is smaller than the sum of its proper divisors (276182382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230328978 is a wasteful number, since it uses less digits than its factorization.

230328978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27622.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 230328978 is about 15176.5930959488. The cubic root of 230328978 is about 612.9845477416.

The spelling of 230328978 in words is "two hundred thirty million, three hundred twenty-eight thousand, nine hundred seventy-eight".