30123744320 has 56 divisors (see below), whose sum is σ = 75951719064. Its totient is φ = 11340701696.

The previous prime is 30123744307. The next prime is 30123744323. The reversal of 30123744320 is 2344732103.

It can be written as a sum of positive squares in 4 ways, for example, as 1921244224 + 28202500096 = 43832^2 + 167936^2 .

It is not an unprimeable number, because it can be changed into a prime (30123744323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2763287 + ... + 2774166.

Almost surely, 2^30123744320 is an apocalyptic number.

It is an amenable number.

30123744320 is an abundant number, since it is smaller than the sum of its proper divisors (45827974744).

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

30123744320 is a wasteful number, since it uses less digits than its factorization.

30123744320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537487 (or 5537477 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The spelling of 30123744320 in words is "thirty billion, one hundred twenty-three million, seven hundred forty-four thousand, three hundred twenty".