2120223122123 has 2 divisors, whose sum is σ = 2120223122124. Its totient is φ = 2120223122122.

The previous prime is 2120223122057. The next prime is 2120223122159. The reversal of 2120223122123 is 3212213220212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120223122123 - 2⁸ = 2120223121867 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120223125123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060111561061 + 1060111561062.

It is an arithmetic number, because the mean of its divisors is an integer number (1060111561062).

Almost surely, 2^{2120223122123} is an apocalyptic number.

2120223122123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120223122123 is an equidigital number, since it uses as much as digits as its factorization.

2120223122123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2120223122123 its reverse (3212213220212), we get a palindrome (5332436342335).

The spelling of 2120223122123 in words is "two trillion, one hundred twenty billion, two hundred twenty-three million, one hundred twenty-two thousand, one hundred twenty-three".