211223100323 has 2 divisors, whose sum is σ = 211223100324. Its totient is φ = 211223100322.

The previous prime is 211223100281. The next prime is 211223100331. The reversal of 211223100323 is 323001322112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211223100323 - 2²⁸ = 210954664867 is a prime.

It is a super-2 number, since 2×211223100323² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211223100295 and 211223100304.

It is not a weakly prime, because it can be changed into another prime (211223100343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611550161 + 105611550162.

It is an arithmetic number, because the mean of its divisors is an integer number (105611550162).

Almost surely, 2^211223100323 is an apocalyptic number.

211223100323 is a deficient number, since it is larger than the sum of its proper divisors (1).

211223100323 is an equidigital number, since it uses as much as digits as its factorization.

211223100323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 211223100323 its reverse (323001322112), we get a palindrome (534224422435).

The spelling of 211223100323 in words is "two hundred eleven billion, two hundred twenty-three million, one hundred thousand, three hundred twenty-three".