232412021 has 4 divisors (see below), whose sum is σ = 232622700. Its totient is φ = 232201344.

The previous prime is 232411999. The next prime is 232412041. The reversal of 232412021 is 120214232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2283121 + 230128900 = 1511^2 + 15170^2 .

It is a cyclic number.

It is not a de Polignac number, because 232412021 - 2²⁶ = 165303157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232412041) 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 3 ways as a sum of consecutive naturals, for example, 103676 + ... + 105893.

It is an arithmetic number, because the mean of its divisors is an integer number (58155675).

Almost surely, 2^232412021 is an apocalyptic number.

It is an amenable number.

232412021 is a deficient number, since it is larger than the sum of its proper divisors (210679).

232412021 is a wasteful number, since it uses less digits than its factorization.

232412021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210678.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 232412021 is about 15245.0654639460. The cubic root of 232412021 is about 614.8269026144.

Adding to 232412021 its reverse (120214232), we get a palindrome (352626253).

The spelling of 232412021 in words is "two hundred thirty-two million, four hundred twelve thousand, twenty-one".