212111323 has 2 divisors, whose sum is σ = 212111324. Its totient is φ = 212111322.

The previous prime is 212111309. The next prime is 212111369. The reversal of 212111323 is 323111212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212111323 - 2²¹ = 210014171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212111297 and 212111306.

It is not a weakly prime, because it can be changed into another prime (212111623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055661 + 106055662.

It is an arithmetic number, because the mean of its divisors is an integer number (106055662).

Almost surely, 2^212111323 is an apocalyptic number.

212111323 is a deficient number, since it is larger than the sum of its proper divisors (1).

212111323 is an equidigital number, since it uses as much as digits as its factorization.

212111323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 16.

The square root of 212111323 is about 14564.0421243554. The cubic root of 212111323 is about 596.3775468839.

Adding to 212111323 its reverse (323111212), we get a palindrome (535222535).

The spelling of 212111323 in words is "two hundred twelve million, one hundred eleven thousand, three hundred twenty-three".