232023213 has 6 divisors (see below), whose sum is σ = 335144654. Its totient is φ = 154682136.

The previous prime is 232023203. The next prime is 232023217. The reversal of 232023213 is 312320232.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 125148969 + 106874244 = 11187^2 + 10338^2 .

It is not a de Polignac number, because 232023213 - 2⁹ = 232022701 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 (232023217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12890170 + ... + 12890187.

Almost surely, 2^232023213 is an apocalyptic number.

It is an amenable number.

232023213 is a deficient number, since it is larger than the sum of its proper divisors (103121441).

232023213 is a wasteful number, since it uses less digits than its factorization.

232023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25780363 (or 25780360 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 232023213 is about 15232.3081967245. The cubic root of 232023213 is about 614.4838580429.

Adding to 232023213 its reverse (312320232), we get a palindrome (544343445).

The spelling of 232023213 in words is "two hundred thirty-two million, twenty-three thousand, two hundred thirteen".