230421530 has 16 divisors (see below), whose sum is σ = 429061320. Its totient is φ = 88990272.

The previous prime is 230421511. The next prime is 230421557. The reversal of 230421530 is 35124032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 228644641 + 1776889 = 15121^2 + 1333^2 .

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, 396989 + ... + 397568.

Almost surely, 2^230421530 is an apocalyptic number.

230421530 is a deficient number, since it is larger than the sum of its proper divisors (198639790).

230421530 is a wasteful number, since it uses less digits than its factorization.

230421530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794593.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 230421530 is about 15179.6419588869. The cubic root of 230421530 is about 613.0666409706.

Adding to 230421530 its reverse (35124032), we get a palindrome (265545562).

The spelling of 230421530 in words is "two hundred thirty million, four hundred twenty-one thousand, five hundred thirty".