230230021 has 8 divisors (see below), whose sum is σ = 270231680. Its totient is φ = 192006288.

The previous prime is 230230019. The next prime is 230230027. The reversal of 230230021 is 120032032.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 230230021 - 2¹ = 230230019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230229983 and 230230010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230230027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444201 + ... + 444718.

It is an arithmetic number, because the mean of its divisors is an integer number (33778960).

Almost surely, 2^230230021 is an apocalyptic number.

It is an amenable number.

230230021 is a deficient number, since it is larger than the sum of its proper divisors (40001659).

230230021 is an equidigital number, since it uses as much as digits as its factorization.

230230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888963.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 230230021 is about 15173.3325607791. The cubic root of 230230021 is about 612.8967489743.

Adding to 230230021 its reverse (120032032), we get a palindrome (350262053).

It can be divided in two parts, 2302 and 30021, that added together give a palindrome (32323).

The spelling of 230230021 in words is "two hundred thirty million, two hundred thirty thousand, twenty-one".