230721168 has 40 divisors (see below), whose sum is σ = 601943616. Its totient is φ = 76144000.

The previous prime is 230721163. The next prime is 230721181. The reversal of 230721168 is 861127032.

It is not an unprimeable number, because it can be changed into a prime (230721163) 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, 18948 + ... + 28643.

Almost surely, 2^230721168 is an apocalyptic number.

It is an amenable number.

230721168 is an abundant number, since it is smaller than the sum of its proper divisors (371222448).

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

230721168 is a wasteful number, since it uses less digits than its factorization.

230721168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47703 (or 47697 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 230721168 is about 15189.5084844770. The cubic root of 230721168 is about 613.3322679041.

The spelling of 230721168 in words is "two hundred thirty million, seven hundred twenty-one thousand, one hundred sixty-eight".