30123065740 has 24 divisors (see below), whose sum is σ = 63263661552. Its totient is φ = 12048231360.

The previous prime is 30123065737. The next prime is 30123065741. The reversal of 30123065740 is 4756032103.

It is not an unprimeable number, because it can be changed into a prime (30123065741) 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, 216555 + ... + 327325.

It is an arithmetic number, because the mean of its divisors is an integer number (2635985898).

Almost surely, 2^30123065740 is an apocalyptic number.

It is an amenable number.

30123065740 is an abundant number, since it is smaller than the sum of its proper divisors (33140595812).

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

30123065740 is a wasteful number, since it uses less digits than its factorization.

30123065740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124377 (or 124375 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

Adding to 30123065740 its reverse (4756032103), we get a palindrome (34879097843).

The spelling of 30123065740 in words is "thirty billion, one hundred twenty-three million, sixty-five thousand, seven hundred forty".