2123872939424 has 24 divisors (see below), whose sum is σ = 4316257911168. Its totient is φ = 1027680454080.

The previous prime is 2123872939417. The next prime is 2123872939439. The reversal of 2123872939424 is 4249392783212.

It is a self number, because there is not a number n which added to its sum of digits gives 2123872939424.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070499482 + ... + 1070501465.

It is an arithmetic number, because the mean of its divisors is an integer number (179844079632).

Almost surely, 2^{2123872939424} is an apocalyptic number.

It is an amenable number.

2123872939424 is an abundant number, since it is smaller than the sum of its proper divisors (2192384971744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123872939424 is a wasteful number, since it uses less digits than its factorization.

2123872939424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141000988 (or 2141000980 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 56.

The spelling of 2123872939424 in words is "two trillion, one hundred twenty-three billion, eight hundred seventy-two million, nine hundred thirty-nine thousand, four hundred twenty-four".