211223230321323 has 32 divisors (see below), whose sum is σ = 307446545410560. Its totient is φ = 127925438135040.

The previous prime is 211223230321321. The next prime is 211223230321343. The reversal of 211223230321323 is 323123032322112.

It is not a de Polignac number, because 211223230321323 - 2¹ = 211223230321321 is a prime.

It is a super-3 number, since 3×211223230321323³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (211223230321321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1338734383 + ... + 1338892151.

It is an arithmetic number, because the mean of its divisors is an integer number (9607704544080).

Almost surely, 2^{211223230321323} is an apocalyptic number.

211223230321323 is a deficient number, since it is larger than the sum of its proper divisors (96223315089237).

211223230321323 is a wasteful number, since it uses less digits than its factorization.

211223230321323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185619.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 211223230321323 its reverse (323123032322112), we get a palindrome (534346262643435).

The spelling of 211223230321323 in words is "two hundred eleven trillion, two hundred twenty-three billion, two hundred thirty million, three hundred twenty-one thousand, three hundred twenty-three".