123530760144 has 60 divisors (see below), whose sum is σ = 377143158912. Its totient is φ = 37433563200.

The previous prime is 123530760139. The next prime is 123530760149. The reversal of 123530760144 is 441067035321.

123530760144 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 3 + 0 + 7 + 601 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (123530760139) and next prime (123530760149).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 123530760099 and 123530760108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123530760149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38991712 + ... + 38994879.

Almost surely, 2^123530760144 is an apocalyptic number.

It is an amenable number.

123530760144 is an abundant number, since it is smaller than the sum of its proper divisors (253612398768).

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

123530760144 is a wasteful number, since it uses less digits than its factorization.

123530760144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77986616 (or 77986607 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 123530760144 its reverse (441067035321), we get a palindrome (564597795465).

The spelling of 123530760144 in words is "one hundred twenty-three billion, five hundred thirty million, seven hundred sixty thousand, one hundred forty-four".