2873723128 has 32 divisors (see below), whose sum is σ = 5523482160. Its totient is φ = 1400843520.

The previous prime is 2873723093. The next prime is 2873723147. The reversal of 2873723128 is 8213273782.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767950 + ... + 771682.

Almost surely, 2^2873723128 is an apocalyptic number.

It is an amenable number.

2873723128 is a deficient number, since it is larger than the sum of its proper divisors (2649759032).

2873723128 is a wasteful number, since it uses less digits than its factorization.

2873723128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6127 (or 6123 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 2873723128 is about 53607.1182586790. The cubic root of 2873723128 is about 1421.7229512688.

The spelling of 2873723128 in words is "two billion, eight hundred seventy-three million, seven hundred twenty-three thousand, one hundred twenty-eight".