230421144 has 32 divisors (see below), whose sum is σ = 577923840. Its totient is φ = 76557600.

The previous prime is 230421143. The next prime is 230421161. The reversal of 230421144 is 441124032.

It is a self number, because there is not a number n which added to its sum of digits gives 230421144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230421143) 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 7 ways as a sum of consecutive naturals, for example, 7972 + ... + 22899.

It is an arithmetic number, because the mean of its divisors is an integer number (18060120).

Almost surely, 2^230421144 is an apocalyptic number.

230421144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

230421144 is an abundant number, since it is smaller than the sum of its proper divisors (347502696).

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

230421144 is a wasteful number, since it uses less digits than its factorization.

230421144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31191 (or 31187 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 230421144 is about 15179.6292444842. The cubic root of 230421144 is about 613.0662986359.

Adding to 230421144 its reverse (441124032), we get a palindrome (671545176).

The spelling of 230421144 in words is "two hundred thirty million, four hundred twenty-one thousand, one hundred forty-four".