2123442127 has 2 divisors, whose sum is σ = 2123442128. Its totient is φ = 2123442126.

The previous prime is 2123442121. The next prime is 2123442149. The reversal of 2123442127 is 7212443212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123442127 - 2³ = 2123442119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123442095 and 2123442104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123442121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061721063 + 1061721064.

It is an arithmetic number, because the mean of its divisors is an integer number (1061721064).

Almost surely, 2^2123442127 is an apocalyptic number.

2123442127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123442127 is an equidigital number, since it uses as much as digits as its factorization.

2123442127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 28.

The square root of 2123442127 is about 46080.8216832122. The cubic root of 2123442127 is about 1285.3265436073.

Adding to 2123442127 its reverse (7212443212), we get a palindrome (9335885339).

The spelling of 2123442127 in words is "two billion, one hundred twenty-three million, four hundred forty-two thousand, one hundred twenty-seven".