123543321713 has 4 divisors (see below), whose sum is σ = 141192367680. Its totient is φ = 105894275748.

The previous prime is 123543321701. The next prime is 123543321751. The reversal of 123543321713 is 317123345321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 317123345321 = 13109 ⋅24191269.

It is a cyclic number.

It is not a de Polignac number, because 123543321713 - 2⁴ = 123543321697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123543321773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8824522973 + ... + 8824522986.

It is an arithmetic number, because the mean of its divisors is an integer number (35298091920).

Almost surely, 2^123543321713 is an apocalyptic number.

It is an amenable number.

123543321713 is a deficient number, since it is larger than the sum of its proper divisors (17649045967).

123543321713 is an equidigital number, since it uses as much as digits as its factorization.

123543321713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17649045966.

The product of its digits is 45360, while the sum is 35.

The spelling of 123543321713 in words is "one hundred twenty-three billion, five hundred forty-three million, three hundred twenty-one thousand, seven hundred thirteen".