230323728 has 80 divisors (see below), whose sum is σ = 609960960. Its totient is φ = 74867328.

The previous prime is 230323721. The next prime is 230323763. The reversal of 230323728 is 827323032.

230323728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×230323728³ (a number of 26 digits) contains 333 as substring.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 230323695 and 230323704.

It is not an unprimeable number, because it can be changed into a prime (230323721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472701 + ... + 473187.

It is an arithmetic number, because the mean of its divisors is an integer number (7624512).

Almost surely, 2^230323728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230323728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304980480).

230323728 is an abundant number, since it is smaller than the sum of its proper divisors (379637232).

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

230323728 is a wasteful number, since it uses less digits than its factorization.

230323728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 230323728 is about 15176.4201312431. The cubic root of 230323728 is about 612.9798903549.

The spelling of 230323728 in words is "two hundred thirty million, three hundred twenty-three thousand, seven hundred twenty-eight".