230033728 has 14 divisors (see below), whose sum is σ = 456473306. Its totient is φ = 115016832.

The previous prime is 230033723. The next prime is 230033729. The reversal of 230033728 is 827330032.

It can be written as a sum of positive squares in only one way, i.e., 224041024 + 5992704 = 14968^2 + 2448^2 .

It is a junction number, because it is equal to n+sod(n) for n = 230033696 and 230033705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230033723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1797075 + ... + 1797202.

Almost surely, 2^230033728 is an apocalyptic number.

It is an amenable number.

230033728 is a deficient number, since it is larger than the sum of its proper divisors (226439578).

230033728 is an equidigital number, since it uses as much as digits as its factorization.

230033728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594289 (or 3594279 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 230033728 is about 15166.8628265703. The cubic root of 230033728 is about 612.7225151821.

The spelling of 230033728 in words is "two hundred thirty million, thirty-three thousand, seven hundred twenty-eight".