230638956 has 48 divisors (see below), whose sum is σ = 547884288. Its totient is φ = 75499200.

The previous prime is 230638951. The next prime is 230638957. The reversal of 230638956 is 659836032.

230638956 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (230638951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358371 + ... + 359013.

It is an arithmetic number, because the mean of its divisors is an integer number (11414256).

Almost surely, 2^230638956 is an apocalyptic number.

It is an amenable number.

230638956 is an abundant number, since it is smaller than the sum of its proper divisors (317245332).

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

230638956 is a wasteful number, since it uses less digits than its factorization.

230638956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 230638956 is about 15186.8020333446. The cubic root of 230638956 is about 613.2594104616.

The spelling of 230638956 in words is "two hundred thirty million, six hundred thirty-eight thousand, nine hundred fifty-six".