12351993553243 has 8 divisors (see below), whose sum is σ = 12378950415216. Its totient is φ = 12325037397600.

The previous prime is 12351993553223. The next prime is 12351993553253. The reversal of 12351993553243 is 34235539915321.

12351993553243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12351993553243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12351993553223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50926005 + ... + 51167977.

It is an arithmetic number, because the mean of its divisors is an integer number (1547368801902).

Almost surely, 2^{12351993553243} is an apocalyptic number.

12351993553243 is a deficient number, since it is larger than the sum of its proper divisors (26956861973).

12351993553243 is a wasteful number, since it uses less digits than its factorization.

12351993553243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353165.

The product of its digits is 13122000, while the sum is 55.

The spelling of 12351993553243 in words is "twelve trillion, three hundred fifty-one billion, nine hundred ninety-three million, five hundred fifty-three thousand, two hundred forty-three".