230203928 has 8 divisors (see below), whose sum is σ = 431632380. Its totient is φ = 115101960.

The previous prime is 230203921. The next prime is 230203933. The reversal of 230203928 is 829302032.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 230203928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230203921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14387738 + ... + 14387753.

Almost surely, 2^230203928 is an apocalyptic number.

It is an amenable number.

230203928 is a deficient number, since it is larger than the sum of its proper divisors (201428452).

230203928 is a wasteful number, since it uses less digits than its factorization.

230203928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28775497 (or 28775493 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 230203928 is about 15172.4727055283. The cubic root of 230203928 is about 612.8735939878.

The spelling of 230203928 in words is "two hundred thirty million, two hundred three thousand, nine hundred twenty-eight".