3840756723 has 16 divisors (see below), whose sum is σ = 5886218400. Its totient is φ = 2472210720.

The previous prime is 3840756707. The next prime is 3840756743. The reversal of 3840756723 is 3276570483.

3840756723 is a `hidden beast` number, since 3 + 84 + 0 + 7 + 567 + 2 + 3 = 666.

It is not a de Polignac number, because 3840756723 - 2⁴ = 3840756707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3840756743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2451808 + ... + 2453373.

It is an arithmetic number, because the mean of its divisors is an integer number (367888650).

Almost surely, 2^3840756723 is an apocalyptic number.

3840756723 is a deficient number, since it is larger than the sum of its proper divisors (2045461677).

3840756723 is a wasteful number, since it uses less digits than its factorization.

3840756723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905219 (or 4905213 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 3840756723 is about 61973.8390209934. The cubic root of 3840756723 is about 1566.0499132665.

The spelling of 3840756723 in words is "three billion, eight hundred forty million, seven hundred fifty-six thousand, seven hundred twenty-three".