230439999 has 8 divisors (see below), whose sum is σ = 323424640. Its totient is φ = 145541016.

The previous prime is 230439997. The next prime is 230440009. The reversal of 230439999 is 999934032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230439999 - 2¹ = 230439997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230439991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021347 + ... + 2021460.

It is an arithmetic number, because the mean of its divisors is an integer number (40428080).

Almost surely, 2^230439999 is an apocalyptic number.

230439999 is a deficient number, since it is larger than the sum of its proper divisors (92984641).

230439999 is a wasteful number, since it uses less digits than its factorization.

230439999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042829.

The product of its (nonzero) digits is 472392, while the sum is 48.

The square root of 230439999 is about 15180.2502943792. The cubic root of 230439999 is about 613.0830202637.

The spelling of 230439999 in words is "two hundred thirty million, four hundred thirty-nine thousand, nine hundred ninety-nine".