11231312424143 has 4 divisors (see below), whose sum is σ = 12835785627600. Its totient is φ = 9626839220688.

The previous prime is 11231312424139. The next prime is 11231312424191. The reversal of 11231312424143 is 34142421313211.

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

It is a cyclic number.

It is not a de Polignac number, because 11231312424143 - 2² = 11231312424139 is a prime.

It is a super-3 number, since 3×11231312424143³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231312426143) 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, 802236601718 + ... + 802236601731.

It is an arithmetic number, because the mean of its divisors is an integer number (3208946406900).

Almost surely, 2^{11231312424143} is an apocalyptic number.

11231312424143 is a deficient number, since it is larger than the sum of its proper divisors (1604473203457).

11231312424143 is an equidigital number, since it uses as much as digits as its factorization.

11231312424143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604473203456.

The product of its digits is 13824, while the sum is 32.

Adding to 11231312424143 its reverse (34142421313211), we get a palindrome (45373733737354).

The spelling of 11231312424143 in words is "eleven trillion, two hundred thirty-one billion, three hundred twelve million, four hundred twenty-four thousand, one hundred forty-three".