2303073865728 has 520 divisors, whose sum is σ = 7234761428928. Its totient is φ = 728622563328.

The previous prime is 2303073865691. The next prime is 2303073865747. The reversal of 2303073865728 is 8275683703032.

2303073865728 is a `hidden beast` number, since 2 + 3 + 0 + 30 + 7 + 38 + 6 + 572 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1045425075 + ... + 1045427277.

Almost surely, 2^{2303073865728} 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 2303073865728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3617380714464).

2303073865728 is an abundant number, since it is smaller than the sum of its proper divisors (4931687563200).

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

2303073865728 is a wasteful number, since it uses less digits than its factorization.

2303073865728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399 (or 2368 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 2303073865728 in words is "two trillion, three hundred three billion, seventy-three million, eight hundred sixty-five thousand, seven hundred twenty-eight".