211223002230223 has 16 divisors (see below), whose sum is σ = 218754684273664. Its totient is φ = 203737183865280.

The previous prime is 211223002230211. The next prime is 211223002230269. The reversal of 211223002230223 is 322032200322112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211223002230223 is a prime.

It is a super-2 number, since 2×211223002230223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211223002230623) 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 15 ways as a sum of consecutive naturals, for example, 4630336 + ... + 21068602.

It is an arithmetic number, because the mean of its divisors is an integer number (13672167767104).

Almost surely, 2^{211223002230223} is an apocalyptic number.

211223002230223 is a deficient number, since it is larger than the sum of its proper divisors (7531682043441).

211223002230223 is a wasteful number, since it uses less digits than its factorization.

211223002230223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16439662.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 211223002230223 its reverse (322032200322112), we get a palindrome (533255202552335).

The spelling of 211223002230223 in words is "two hundred eleven trillion, two hundred twenty-three billion, two million, two hundred thirty thousand, two hundred twenty-three".