211232311223 has 2 divisors, whose sum is σ = 211232311224. Its totient is φ = 211232311222.

The previous prime is 211232311193. The next prime is 211232311253. The reversal of 211232311223 is 322113232112.

It is a balanced prime because it is at equal distance from previous prime (211232311193) and next prime (211232311253).

It is a cyclic number.

It is not a de Polignac number, because 211232311223 - 2⁸ = 211232310967 is a prime.

It is a super-2 number, since 2×211232311223² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211232311253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105616155611 + 105616155612.

It is an arithmetic number, because the mean of its divisors is an integer number (105616155612).

Almost surely, 2^211232311223 is an apocalyptic number.

211232311223 is a deficient number, since it is larger than the sum of its proper divisors (1).

211232311223 is an equidigital number, since it uses as much as digits as its factorization.

211232311223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

Adding to 211232311223 its reverse (322113232112), we get a palindrome (533345543335).

The spelling of 211232311223 in words is "two hundred eleven billion, two hundred thirty-two million, three hundred eleven thousand, two hundred twenty-three".