230308240 has 20 divisors (see below), whose sum is σ = 535466844. Its totient is φ = 92123264.

The previous prime is 230308219. The next prime is 230308259. The reversal of 230308240 is 42803032.

230308240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 157854096 + 72454144 = 12564^2 + 8512^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439347 + ... + 1439506.

Almost surely, 2^230308240 is an apocalyptic number.

230308240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230308240 is an abundant number, since it is smaller than the sum of its proper divisors (305158604).

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

230308240 is a wasteful number, since it uses less digits than its factorization.

230308240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878866 (or 2878860 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 230308240 is about 15175.9098574023. The cubic root of 230308240 is about 612.9661502083.

The spelling of 230308240 in words is "two hundred thirty million, three hundred eight thousand, two hundred forty".