30123040444 has 12 divisors (see below), whose sum is σ = 60246080944. Its totient is φ = 12909874464.

The previous prime is 30123040417. The next prime is 30123040487. The reversal of 30123040444 is 44404032103.

30123040444 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537911409 + ... + 537911464.

Almost surely, 2^30123040444 is an apocalyptic number.

It is an amenable number.

30123040444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30123040444 is a wasteful number, since it uses less digits than its factorization.

30123040444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075822884 (or 1075822882 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 30123040444 its reverse (44404032103), we get a palindrome (74527072547).

The spelling of 30123040444 in words is "thirty billion, one hundred twenty-three million, forty thousand, four hundred forty-four".