232003213 has 4 divisors (see below), whose sum is σ = 249849628. Its totient is φ = 214156800.

The previous prime is 232003193. The next prime is 232003237. The reversal of 232003213 is 312300232.

232003213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 157301764 + 74701449 = 12542^2 + 8643^2 .

It is not a de Polignac number, because 232003213 - 2⁵ = 232003181 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 (232003253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8923188 + ... + 8923213.

It is an arithmetic number, because the mean of its divisors is an integer number (62462407).

Almost surely, 2^232003213 is an apocalyptic number.

It is an amenable number.

232003213 is a deficient number, since it is larger than the sum of its proper divisors (17846415).

232003213 is a wasteful number, since it uses less digits than its factorization.

232003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17846414.

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

The square root of 232003213 is about 15231.6516832548. The cubic root of 232003213 is about 614.4662017200.

Adding to 232003213 its reverse (312300232), we get a palindrome (544303445).

The spelling of 232003213 in words is "two hundred thirty-two million, three thousand, two hundred thirteen".