230336428 has 24 divisors (see below), whose sum is σ = 465151232. Its totient is φ = 97755984.

The previous prime is 230336399. The next prime is 230336461. The reversal of 230336428 is 824633032.

It is a self number, because there is not a number n which added to its sum of digits gives 230336428.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37050 + ... + 42817.

Almost surely, 2^230336428 is an apocalyptic number.

230336428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

230336428 is an abundant number, since it is smaller than the sum of its proper divisors (234814804).

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

230336428 is a wasteful number, since it uses less digits than its factorization.

230336428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79981 (or 79979 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 230336428 is about 15176.8385377192. The cubic root of 230336428 is about 612.9911566735.

The spelling of 230336428 in words is "two hundred thirty million, three hundred thirty-six thousand, four hundred twenty-eight".