232320211 has 4 divisors (see below), whose sum is σ = 234149632. Its totient is φ = 230490792.

The previous prime is 232320173. The next prime is 232320223. The reversal of 232320211 is 112023232.

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

It is a cyclic number.

It is not a de Polignac number, because 232320211 - 2¹⁹ = 231795923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232320241) 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, 914520 + ... + 914773.

It is an arithmetic number, because the mean of its divisors is an integer number (58537408).

Almost surely, 2^232320211 is an apocalyptic number.

232320211 is a deficient number, since it is larger than the sum of its proper divisors (1829421).

232320211 is a wasteful number, since it uses less digits than its factorization.

232320211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829420.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 232320211 is about 15242.0540282470. The cubic root of 232320211 is about 614.7459333482.

Adding to 232320211 its reverse (112023232), we get a palindrome (344343443).

The spelling of 232320211 in words is "two hundred thirty-two million, three hundred twenty thousand, two hundred eleven".