211232263 has 8 divisors (see below), whose sum is σ = 231402240. Its totient is φ = 191223480.

The previous prime is 211232251. The next prime is 211232267. The reversal of 211232263 is 362232112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211232263 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 (211232267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37545 + ... + 42802.

It is an arithmetic number, because the mean of its divisors is an integer number (28925280).

Almost surely, 2^211232263 is an apocalyptic number.

211232263 is a deficient number, since it is larger than the sum of its proper divisors (20169977).

211232263 is a wasteful number, since it uses less digits than its factorization.

211232263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80597.

The product of its digits is 864, while the sum is 22.

The square root of 211232263 is about 14533.8316695908. The cubic root of 211232263 is about 595.5525437118.

Adding to 211232263 its reverse (362232112), we get a palindrome (573464375).

The spelling of 211232263 in words is "two hundred eleven million, two hundred thirty-two thousand, two hundred sixty-three".