3123283856 has 80 divisors (see below), whose sum is σ = 7705221120. Its totient is φ = 1190951040.

The previous prime is 3123283837. The next prime is 3123283879. The reversal of 3123283856 is 6583823213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30935 + ... + 84873.

It is an arithmetic number, because the mean of its divisors is an integer number (96315264).

Almost surely, 2^3123283856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3123283856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3852610560).

3123283856 is an abundant number, since it is smaller than the sum of its proper divisors (4581937264).

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

3123283856 is a wasteful number, since it uses less digits than its factorization.

3123283856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54012 (or 54006 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 3123283856 is about 55886.3476709652. The cubic root of 3123283856 is about 1461.7411915408.

The spelling of 3123283856 in words is "three billion, one hundred twenty-three million, two hundred eighty-three thousand, eight hundred fifty-six".