2123719334 has 16 divisors (see below), whose sum is σ = 3475899216. Its totient is φ = 965126400.

The previous prime is 2123719333. The next prime is 2123719397. The reversal of 2123719334 is 4339173212.

It is a junction number, because it is equal to n+sod(n) for n = 2123719294 and 2123719303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123719333) 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 in 7 ways as a sum of consecutive naturals, for example, 170354 + ... + 182394.

It is an arithmetic number, because the mean of its divisors is an integer number (217243701).

Almost surely, 2^2123719334 is an apocalyptic number.

2123719334 is a deficient number, since it is larger than the sum of its proper divisors (1352179882).

2123719334 is a wasteful number, since it uses less digits than its factorization.

2123719334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20071.

The product of its digits is 27216, while the sum is 35.

The square root of 2123719334 is about 46083.8294198735. The cubic root of 2123719334 is about 1285.3824726116.

The spelling of 2123719334 in words is "two billion, one hundred twenty-three million, seven hundred nineteen thousand, three hundred thirty-four".