230340402 has 32 divisors (see below), whose sum is σ = 512645760. Its totient is φ = 76663440.

The previous prime is 230340389. The next prime is 230340403. The reversal of 230340402 is 204043032.

230340402 is a `hidden beast` number, since 230 + 34 + 0 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (230340403) 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, 37252 + ... + 42992.

It is an arithmetic number, because the mean of its divisors is an integer number (16020180).

Almost surely, 2^230340402 is an apocalyptic number.

230340402 is an abundant number, since it is smaller than the sum of its proper divisors (282305358).

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

230340402 is a wasteful number, since it uses less digits than its factorization.

230340402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6495 (or 6489 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 230340402 is about 15176.9694603369. The cubic root of 230340402 is about 612.9946819704.

Adding to 230340402 its reverse (204043032), we get a palindrome (434383434).

The spelling of 230340402 in words is "two hundred thirty million, three hundred forty thousand, four hundred two".