123530521534344 has 128 divisors (see below), whose sum is σ = 347996345088000. Its totient is φ = 40594623800832.

The previous prime is 123530521534333. The next prime is 123530521534349. The reversal of 123530521534344 is 443435125035321.

123530521534344 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 30 + 52 + 1 + 534 + 34 + 4 = 666.

123530521534344 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 123530521534344.

It is not an unprimeable number, because it can be changed into a prime (123530521534349) 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, 33555054 + ... + 37054050.

It is an arithmetic number, because the mean of its divisors is an integer number (2718721446000).

Almost surely, 2^{123530521534344} 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 123530521534344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173998172544000).

123530521534344 is an abundant number, since it is smaller than the sum of its proper divisors (224465823553656).

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

123530521534344 is a wasteful number, since it uses less digits than its factorization.

123530521534344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501324 (or 3501314 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 45.

Adding to 123530521534344 its reverse (443435125035321), we get a palindrome (566965646569665).

The spelling of 123530521534344 in words is "one hundred twenty-three trillion, five hundred thirty billion, five hundred twenty-one million, five hundred thirty-four thousand, three hundred forty-four".