211232323 has 4 divisors (see below), whose sum is σ = 212752120. Its totient is φ = 209712528.

The previous prime is 211232321. The next prime is 211232363. The reversal of 211232323 is 323232112.

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 211232323 - 2¹ = 211232321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211232323.

It is not an unprimeable number, because it can be changed into a prime (211232321) 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 3 ways as a sum of consecutive naturals, for example, 759690 + ... + 759967.

It is an arithmetic number, because the mean of its divisors is an integer number (53188030).

Almost surely, 2^211232323 is an apocalyptic number.

211232323 is a deficient number, since it is larger than the sum of its proper divisors (1519797).

211232323 is a wasteful number, since it uses less digits than its factorization.

211232323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519796.

The product of its digits is 432, while the sum is 19.

The square root of 211232323 is about 14533.8337337400. The cubic root of 211232323 is about 595.5526001002.

Adding to 211232323 its reverse (323232112), we get a palindrome (534464435).

The spelling of 211232323 in words is "two hundred eleven million, two hundred thirty-two thousand, three hundred twenty-three".