12523128234480 has 320 divisors, whose sum is σ = 43562711808000. Its totient is φ = 3306449507328.

The previous prime is 12523128234473. The next prime is 12523128234499. The reversal of 12523128234480 is 8443282132521.

12523128234480 is a `hidden beast` number, since 1 + 2 + 5 + 23 + 1 + 282 + 344 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 335012431 + ... + 335049809.

It is an arithmetic number, because the mean of its divisors is an integer number (136133474400).

Almost surely, 2^{12523128234480} is an apocalyptic number.

12523128234480 is a gapful number since it is divisible by the number (10) 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 12523128234480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21781355904000).

12523128234480 is an abundant number, since it is smaller than the sum of its proper divisors (31039583573520).

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

12523128234480 is a wasteful number, since it uses less digits than its factorization.

12523128234480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38933 (or 38921 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 12523128234480 in words is "twelve trillion, five hundred twenty-three billion, one hundred twenty-eight million, two hundred thirty-four thousand, four hundred eighty".