232030021 has 8 divisors (see below), whose sum is σ = 238455360. Its totient is φ = 225651552.

The previous prime is 232029979. The next prime is 232030037. The reversal of 232030021 is 120030232.

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 232030021 - 2²⁷ = 97812293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232029983 and 232030010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232030061) 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, 1561 + ... + 21598.

It is an arithmetic number, because the mean of its divisors is an integer number (29806920).

Almost surely, 2^232030021 is an apocalyptic number.

It is an amenable number.

232030021 is a deficient number, since it is larger than the sum of its proper divisors (6425339).

232030021 is a wasteful number, since it uses less digits than its factorization.

232030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23435.

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

The square root of 232030021 is about 15232.5316674544. The cubic root of 232030021 is about 614.4898680238.

Adding to 232030021 its reverse (120030232), we get a palindrome (352060253).

The spelling of 232030021 in words is "two hundred thirty-two million, thirty thousand, twenty-one".