2123459719 has 2 divisors, whose sum is σ = 2123459720. Its totient is φ = 2123459718.

The previous prime is 2123459707. The next prime is 2123459729. The reversal of 2123459719 is 9179543212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2123459719 - 2¹¹ = 2123457671 is a prime.

It is a super-2 number, since 2×2123459719² = 9018162356431117922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123459729) 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, 1061729859 + 1061729860.

It is an arithmetic number, because the mean of its divisors is an integer number (1061729860).

Almost surely, 2^2123459719 is an apocalyptic number.

2123459719 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123459719 is an equidigital number, since it uses as much as digits as its factorization.

2123459719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 2123459719 is about 46081.0125648298. The cubic root of 2123459719 is about 1285.3300930961.

The spelling of 2123459719 in words is "two billion, one hundred twenty-three million, four hundred fifty-nine thousand, seven hundred nineteen".