30442523124 has 96 divisors (see below), whose sum is σ = 78434496000. Its totient is φ = 9130060800.

The previous prime is 30442523113. The next prime is 30442523129. The reversal of 30442523124 is 42132524403.

It is a junction number, because it is equal to n+sod(n) for n = 30442523091 and 30442523100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30442523129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12784414 + ... + 12786794.

It is an arithmetic number, because the mean of its divisors is an integer number (817026000).

Almost surely, 2^30442523124 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 30442523124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39217248000).

30442523124 is an abundant number, since it is smaller than the sum of its proper divisors (47991972876).

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

30442523124 is a wasteful number, since it uses less digits than its factorization.

30442523124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441 (or 4439 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The spelling of 30442523124 in words is "thirty billion, four hundred forty-two million, five hundred twenty-three thousand, one hundred twenty-four".