12313242020143 has 4 divisors (see below), whose sum is σ = 12575225892960. Its totient is φ = 12051258147328.

The previous prime is 12313242020129. The next prime is 12313242020179. The reversal of 12313242020143 is 34102024231321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12313242020143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313242027143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130991936338 + ... + 130991936431.

It is an arithmetic number, because the mean of its divisors is an integer number (3143806473240).

Almost surely, 2^{12313242020143} is an apocalyptic number.

12313242020143 is a deficient number, since it is larger than the sum of its proper divisors (261983872817).

12313242020143 is an equidigital number, since it uses as much as digits as its factorization.

12313242020143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261983872816.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12313242020143 its reverse (34102024231321), we get a palindrome (46415266251464).

The spelling of 12313242020143 in words is "twelve trillion, three hundred thirteen billion, two hundred forty-two million, twenty thousand, one hundred forty-three".