212011323 has 8 divisors (see below), whose sum is σ = 284022336. Its totient is φ = 140670600.

The previous prime is 212011307. The next prime is 212011333. The reversal of 212011323 is 323110212.

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

It is not a de Polignac number, because 212011323 - 2⁴ = 212011307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212011333) 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, 166833 + ... + 168098.

It is an arithmetic number, because the mean of its divisors is an integer number (35502792).

Almost surely, 2^212011323 is an apocalyptic number.

212011323 is a deficient number, since it is larger than the sum of its proper divisors (72011013).

212011323 is a wasteful number, since it uses less digits than its factorization.

212011323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335145.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 212011323 is about 14560.6086067856. The cubic root of 212011323 is about 596.2838113108.

Adding to 212011323 its reverse (323110212), we get a palindrome (535121535).

The spelling of 212011323 in words is "two hundred twelve million, eleven thousand, three hundred twenty-three".