3123723328 has 56 divisors (see below), whose sum is σ = 6889821120. Its totient is φ = 1393067520.

The previous prime is 3123723283. The next prime is 3123723331. The reversal of 3123723328 is 8233273213.

It is a junction number, because it is equal to n+sod(n) for n = 3123723293 and 3123723302.

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, 4548 + ... + 79171.

It is an arithmetic number, because the mean of its divisors is an integer number (123032520).

Almost surely, 2^3123723328 is an apocalyptic number.

It is an amenable number.

3123723328 is an abundant number, since it is smaller than the sum of its proper divisors (3766097792).

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

3123723328 is a wasteful number, since it uses less digits than its factorization.

3123723328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83795 (or 83785 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 3123723328 is about 55890.2793694932. The cubic root of 3123723328 is about 1461.8097480374.

The spelling of 3123723328 in words is "three billion, one hundred twenty-three million, seven hundred twenty-three thousand, three hundred twenty-eight".