2125135423 has 2 divisors, whose sum is σ = 2125135424. Its totient is φ = 2125135422.

The previous prime is 2125135417. The next prime is 2125135447. The reversal of 2125135423 is 3245315212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2125135423 - 2¹⁷ = 2125004351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2125135391 and 2125135400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125138423) 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, 1062567711 + 1062567712.

It is an arithmetic number, because the mean of its divisors is an integer number (1062567712).

Almost surely, 2^2125135423 is an apocalyptic number.

2125135423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125135423 is an equidigital number, since it uses as much as digits as its factorization.

2125135423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 2125135423 is about 46099.1911317325. The cubic root of 2125135423 is about 1285.6681053895.

The spelling of 2125135423 in words is "two billion, one hundred twenty-five million, one hundred thirty-five thousand, four hundred twenty-three".