12423562666524 has 96 divisors (see below), whose sum is σ = 32353113576000. Its totient is φ = 4122692702208.

The previous prime is 12423562666519. The next prime is 12423562666549. The reversal of 12423562666524 is 42566626532421.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 343088932 + ... + 343125140.

It is an arithmetic number, because the mean of its divisors is an integer number (337011599750).

Almost surely, 2^{12423562666524} 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 12423562666524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16176556788000).

12423562666524 is an abundant number, since it is smaller than the sum of its proper divisors (19929550909476).

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

12423562666524 is a wasteful number, since it uses less digits than its factorization.

12423562666524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50324 (or 50316 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 54.

The spelling of 12423562666524 in words is "twelve trillion, four hundred twenty-three billion, five hundred sixty-two million, six hundred sixty-six thousand, five hundred twenty-four".