30523144344 has 128 divisors (see below), whose sum is σ = 95413248000. Its totient is φ = 7905075840.

The previous prime is 30523144331. The next prime is 30523144369. The reversal of 30523144344 is 44344132503.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 617457 + ... + 665055.

It is an arithmetic number, because the mean of its divisors is an integer number (745416000).

Almost surely, 2^30523144344 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 30523144344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47706624000).

30523144344 is an abundant number, since it is smaller than the sum of its proper divisors (64890103656).

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

30523144344 is a wasteful number, since it uses less digits than its factorization.

30523144344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47973 (or 47969 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 30523144344 its reverse (44344132503), we get a palindrome (74867276847).

The spelling of 30523144344 in words is "thirty billion, five hundred twenty-three million, one hundred forty-four thousand, three hundred forty-four".