211214323 has 4 divisors (see below), whose sum is σ = 216126328. Its totient is φ = 206302320.

The previous prime is 211214291. The next prime is 211214357. The reversal of 211214323 is 323412112.

It is a happy number.

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 211214323 - 2⁵ = 211214291 is a prime.

It is a super-2 number, since 2×211214323² = 89222980480696658, which contains 22 as substring.

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 211214323.

It is not an unprimeable number, because it can be changed into a prime (211214383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2455938 + ... + 2456023.

It is an arithmetic number, because the mean of its divisors is an integer number (54031582).

Almost surely, 2^211214323 is an apocalyptic number.

211214323 is a deficient number, since it is larger than the sum of its proper divisors (4912005).

211214323 is an equidigital number, since it uses as much as digits as its factorization.

211214323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912004.

The product of its digits is 288, while the sum is 19.

The square root of 211214323 is about 14533.2144758137. The cubic root of 211214323 is about 595.5356831007.

Adding to 211214323 its reverse (323412112), we get a palindrome (534626435).

The spelling of 211214323 in words is "two hundred eleven million, two hundred fourteen thousand, three hundred twenty-three".