123113231313343 has 2 divisors, whose sum is σ = 123113231313344. Its totient is φ = 123113231313342.

The previous prime is 123113231313307. The next prime is 123113231313353. The reversal of 123113231313343 is 343313132311321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123113231313343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123113231313299 and 123113231313308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123113231313353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61556615656671 + 61556615656672.

It is an arithmetic number, because the mean of its divisors is an integer number (61556615656672).

Almost surely, 2^{123113231313343} is an apocalyptic number.

123113231313343 is a deficient number, since it is larger than the sum of its proper divisors (1).

123113231313343 is an equidigital number, since it uses as much as digits as its factorization.

123113231313343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 34.

Adding to 123113231313343 its reverse (343313132311321), we get a palindrome (466426363624664).

The spelling of 123113231313343 in words is "one hundred twenty-three trillion, one hundred thirteen billion, two hundred thirty-one million, three hundred thirteen thousand, three hundred forty-three".