123321342311143 has 8 divisors (see below), whose sum is σ = 125381323338656. Its totient is φ = 121262597402400.

The previous prime is 123321342311131. The next prime is 123321342311177. The reversal of 123321342311143 is 341113243123321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 123321342311143 - 2³³ = 123312752376551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123321342311099 and 123321342311108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123321342311183) 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, 308828496 + ... + 309227557.

It is an arithmetic number, because the mean of its divisors is an integer number (15672665417332).

Almost surely, 2^{123321342311143} is an apocalyptic number.

123321342311143 is a deficient number, since it is larger than the sum of its proper divisors (2059981027513).

123321342311143 is an equidigital number, since it uses as much as digits as its factorization.

123321342311143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618059385.

The product of its digits is 31104, while the sum is 34.

Adding to 123321342311143 its reverse (341113243123321), we get a palindrome (464434585434464).

The spelling of 123321342311143 in words is "one hundred twenty-three trillion, three hundred twenty-one billion, three hundred forty-two million, three hundred eleven thousand, one hundred forty-three".