223123303211 has 2 divisors, whose sum is σ = 223123303212. Its totient is φ = 223123303210.

The previous prime is 223123303189. The next prime is 223123303219. The reversal of 223123303211 is 112303321322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223123303211 is a prime.

It is a super-3 number, since 3×223123303211³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223123303219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111561651605 + 111561651606.

It is an arithmetic number, because the mean of its divisors is an integer number (111561651606).

Almost surely, 2^223123303211 is an apocalyptic number.

223123303211 is a deficient number, since it is larger than the sum of its proper divisors (1).

223123303211 is an equidigital number, since it uses as much as digits as its factorization.

223123303211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 223123303211 its reverse (112303321322), we get a palindrome (335426624533).

The spelling of 223123303211 in words is "two hundred twenty-three billion, one hundred twenty-three million, three hundred three thousand, two hundred eleven".