123335431311343 has 32 divisors (see below), whose sum is σ = 125572139868672. Its totient is φ = 121123869696000.

The previous prime is 123335431311341. The next prime is 123335431311353. The reversal of 123335431311343 is 343113134533321.

It is a cyclic number.

It is not a de Polignac number, because 123335431311343 - 2¹ = 123335431311341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123335431311296 and 123335431311305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123335431311341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8802750208 + ... + 8802764218.

It is an arithmetic number, because the mean of its divisors is an integer number (3924129370896).

Almost surely, 2^{123335431311343} is an apocalyptic number.

123335431311343 is a deficient number, since it is larger than the sum of its proper divisors (2236708557329).

123335431311343 is a wasteful number, since it uses less digits than its factorization.

123335431311343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15775.

The product of its digits is 349920, while the sum is 40.

Adding to 123335431311343 its reverse (343113134533321), we get a palindrome (466448565844664).

The spelling of 123335431311343 in words is "one hundred twenty-three trillion, three hundred thirty-five billion, four hundred thirty-one million, three hundred eleven thousand, three hundred forty-three".