2123220310223 has 2 divisors, whose sum is σ = 2123220310224. Its totient is φ = 2123220310222.

The previous prime is 2123220310153. The next prime is 2123220310249. The reversal of 2123220310223 is 3220130223212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2123220310223 - 2³⁶ = 2054500833487 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123220310723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061610155111 + 1061610155112.

It is an arithmetic number, because the mean of its divisors is an integer number (1061610155112).

Almost surely, 2^{2123220310223} is an apocalyptic number.

2123220310223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123220310223 is an equidigital number, since it uses as much as digits as its factorization.

2123220310223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2123220310223 its reverse (3220130223212), we get a palindrome (5343350533435).

The spelling of 2123220310223 in words is "two trillion, one hundred twenty-three billion, two hundred twenty million, three hundred ten thousand, two hundred twenty-three".