6983123856 has 20 divisors (see below), whose sum is σ = 18039736752. Its totient is φ = 2327707936.

The previous prime is 6983123831. The next prime is 6983123887. The reversal of 6983123856 is 6583213896.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6983123799 and 6983123808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72740826 + ... + 72740921.

Almost surely, 2^6983123856 is an apocalyptic number.

It is an amenable number.

6983123856 is an abundant number, since it is smaller than the sum of its proper divisors (11056612896).

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

6983123856 is a wasteful number, since it uses less digits than its factorization.

6983123856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145481758 (or 145481752 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The square root of 6983123856 is about 83565.0875425856. The cubic root of 6983123856 is about 1911.3926646637.

The spelling of 6983123856 in words is "six billion, nine hundred eighty-three million, one hundred twenty-three thousand, eight hundred fifty-six".