12353843558640 has 1280 divisors, whose sum is σ = 44466925363200. Its totient is φ = 2818100035584.

The previous prime is 12353843558629. The next prime is 12353843558779. The reversal of 12353843558640 is 4685534835321.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 54422218207 + ... + 54422218433.

It is an arithmetic number, because the mean of its divisors is an integer number (34739785440).

Almost surely, 2^{12353843558640} is an apocalyptic number.

12353843558640 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 12353843558640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22233462681600).

12353843558640 is an abundant number, since it is smaller than the sum of its proper divisors (32113081804560).

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

12353843558640 is a wasteful number, since it uses less digits than its factorization.

12353843558640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 57.

The spelling of 12353843558640 in words is "twelve trillion, three hundred fifty-three billion, eight hundred forty-three million, five hundred fifty-eight thousand, six hundred forty".