2120234423 has 2 divisors, whose sum is σ = 2120234424. Its totient is φ = 2120234422.

The previous prime is 2120234381. The next prime is 2120234449. The reversal of 2120234423 is 3244320212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120234423 - 2⁶ = 2120234359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120234483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060117211 + 1060117212.

It is an arithmetic number, because the mean of its divisors is an integer number (1060117212).

Almost surely, 2^2120234423 is an apocalyptic number.

2120234423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120234423 is an equidigital number, since it uses as much as digits as its factorization.

2120234423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2120234423 is about 46046.0033336228. The cubic root of 2120234423 is about 1284.6790061571.

Adding to 2120234423 its reverse (3244320212), we get a palindrome (5364554635).

The spelling of 2120234423 in words is "two billion, one hundred twenty million, two hundred thirty-four thousand, four hundred twenty-three".