230021421 has 8 divisors (see below), whose sum is σ = 350508864. Its totient is φ = 131440800.

The previous prime is 230021419. The next prime is 230021437. The reversal of 230021421 is 124120032.

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

It is not a de Polignac number, because 230021421 - 2¹ = 230021419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230021421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230021401) 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, 5476680 + ... + 5476721.

It is an arithmetic number, because the mean of its divisors is an integer number (43813608).

Almost surely, 2^230021421 is an apocalyptic number.

230021421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

230021421 is a deficient number, since it is larger than the sum of its proper divisors (120487443).

230021421 is a wasteful number, since it uses less digits than its factorization.

230021421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10953411.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 230021421 is about 15166.4571011163. The cubic root of 230021421 is about 612.7115879287.

Adding to 230021421 its reverse (124120032), we get a palindrome (354141453).

The spelling of 230021421 in words is "two hundred thirty million, twenty-one thousand, four hundred twenty-one".