211233043223 has 2 divisors, whose sum is σ = 211233043224. Its totient is φ = 211233043222.

The previous prime is 211233043213. The next prime is 211233043279. The reversal of 211233043223 is 322340332112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211233043223 - 2²⁴ = 211216266007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211233043192 and 211233043201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211233043213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105616521611 + 105616521612.

It is an arithmetic number, because the mean of its divisors is an integer number (105616521612).

Almost surely, 2^211233043223 is an apocalyptic number.

211233043223 is a deficient number, since it is larger than the sum of its proper divisors (1).

211233043223 is an equidigital number, since it uses as much as digits as its factorization.

211233043223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 211233043223 its reverse (322340332112), we get a palindrome (533573375335).

The spelling of 211233043223 in words is "two hundred eleven billion, two hundred thirty-three million, forty-three thousand, two hundred twenty-three".