30023909124720 has 480 divisors, whose sum is σ = 108706612956480. Its totient is φ = 6834984468480.

The previous prime is 30023909124691. The next prime is 30023909124767. The reversal of 30023909124720 is 2742190932003.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3084748974 + ... + 3084758706.

It is an arithmetic number, because the mean of its divisors is an integer number (226472110326).

Almost surely, 2^{30023909124720} is an apocalyptic number.

30023909124720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30023909124720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54353306478240).

30023909124720 is an abundant number, since it is smaller than the sum of its proper divisors (78682703831760).

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

30023909124720 is a wasteful number, since it uses less digits than its factorization.

30023909124720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10793 (or 10780 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 30023909124720 in words is "thirty trillion, twenty-three billion, nine hundred nine million, one hundred twenty-four thousand, seven hundred twenty".