5723665838 has 16 divisors (see below), whose sum is σ = 9370446336. Its totient is φ = 2600430840.

The previous prime is 5723665819. The next prime is 5723665907. The reversal of 5723665838 is 8385663275.

It is a self number, because there is not a number n which added to its sum of digits gives 5723665838.

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, 13556 + ... + 107847.

It is an arithmetic number, because the mean of its divisors is an integer number (585652896).

Almost surely, 2^5723665838 is an apocalyptic number.

5723665838 is a deficient number, since it is larger than the sum of its proper divisors (3646780498).

5723665838 is a wasteful number, since it uses less digits than its factorization.

5723665838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123559.

The product of its digits is 7257600, while the sum is 53.

The square root of 5723665838 is about 75654.9128477457. The cubic root of 5723665838 is about 1788.7847767499.

The spelling of 5723665838 in words is "five billion, seven hundred twenty-three million, six hundred sixty-five thousand, eight hundred thirty-eight".