2120342023 has 2 divisors, whose sum is σ = 2120342024. Its totient is φ = 2120342022.

The previous prime is 2120341969. The next prime is 2120342033. The reversal of 2120342023 is 3202430212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120342023 - 2⁹ = 2120341511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120342033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060171011 + 1060171012.

It is an arithmetic number, because the mean of its divisors is an integer number (1060171012).

Almost surely, 2^2120342023 is an apocalyptic number.

2120342023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120342023 is an equidigital number, since it uses as much as digits as its factorization.

2120342023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2120342023 is about 46047.1717155354. The cubic root of 2120342023 is about 1284.7007378929.

Adding to 2120342023 its reverse (3202430212), we get a palindrome (5322772235).

The spelling of 2120342023 in words is "two billion, one hundred twenty million, three hundred forty-two thousand, twenty-three".