230388899 has 16 divisors (see below), whose sum is σ = 255615360. Its totient is φ = 206271360.

The previous prime is 230388863. The next prime is 230388901. The reversal of 230388899 is 998883032.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230388899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230388839) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 221222 + ... + 222260.

It is an arithmetic number, because the mean of its divisors is an integer number (15975960).

Almost surely, 2^230388899 is an apocalyptic number.

230388899 is a deficient number, since it is larger than the sum of its proper divisors (25226461).

230388899 is a wasteful number, since it uses less digits than its factorization.

230388899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 230388899 is about 15178.5670931086. The cubic root of 230388899 is about 613.0376999222.

The spelling of 230388899 in words is "two hundred thirty million, three hundred eighty-eight thousand, eight hundred ninety-nine".