211123022023 has 2 divisors, whose sum is σ = 211123022024. Its totient is φ = 211123022022.

The previous prime is 211123021987. The next prime is 211123022029. The reversal of 211123022023 is 320220321112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211123022023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211123022029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105561511011 + 105561511012.

It is an arithmetic number, because the mean of its divisors is an integer number (105561511012).

Almost surely, 2^211123022023 is an apocalyptic number.

211123022023 is a deficient number, since it is larger than the sum of its proper divisors (1).

211123022023 is an equidigital number, since it uses as much as digits as its factorization.

211123022023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 211123022023 its reverse (320220321112), we get a palindrome (531343343135).

The spelling of 211123022023 in words is "two hundred eleven billion, one hundred twenty-three million, twenty-two thousand, twenty-three".