232330021 has 32 divisors (see below), whose sum is σ = 298368000. Its totient is φ = 179328240.

The previous prime is 232330009. The next prime is 232330037. The reversal of 232330021 is 120033232.

232330021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 232330021 - 2¹³ = 232321829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232329977 and 232330004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232330001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524226 + ... + 524668.

It is an arithmetic number, because the mean of its divisors is an integer number (9324000).

Almost surely, 2^232330021 is an apocalyptic number.

It is an amenable number.

232330021 is a deficient number, since it is larger than the sum of its proper divisors (66037979).

232330021 is a wasteful number, since it uses less digits than its factorization.

232330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 232330021 is about 15242.3758318708. The cubic root of 232330021 is about 614.7545860216.

Adding to 232330021 its reverse (120033232), we get a palindrome (352363253).

The spelling of 232330021 in words is "two hundred thirty-two million, three hundred thirty thousand, twenty-one".