30123847000 has 256 divisors, whose sum is σ = 82989204480. Its totient is φ = 10128384000.

The previous prime is 30123846979. The next prime is 30123847003. The reversal of 30123847000 is 74832103.

It is a self number, because there is not a number n which added to its sum of digits gives 30123847000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123847003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6848802 + ... + 6853198.

It is an arithmetic number, because the mean of its divisors is an integer number (324176580).

Almost surely, 2^30123847000 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 30123847000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41494602240).

30123847000 is an abundant number, since it is smaller than the sum of its proper divisors (52865357480).

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

30123847000 is a wasteful number, since it uses less digits than its factorization.

30123847000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479 (or 4465 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 30123847000 in words is "thirty billion, one hundred twenty-three million, eight hundred forty-seven thousand".