1323124243013 has 8 divisors (see below), whose sum is σ = 1368780553080. Its totient is φ = 1277470022080.

The previous prime is 1323124242989. The next prime is 1323124243037. The reversal of 1323124243013 is 3103424213231.

It is an interprime number because it is at equal distance from previous prime (1323124242989) and next prime (1323124243037).

It can be written as a sum of positive squares in 4 ways, for example, as 858248457889 + 464875785124 = 926417^2 + 681818^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323124243013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323124240013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825203 + ... + 1824063.

It is an arithmetic number, because the mean of its divisors is an integer number (171097569135).

Almost surely, 2^{1323124243013} is an apocalyptic number.

It is an amenable number.

1323124243013 is a deficient number, since it is larger than the sum of its proper divisors (45656310067).

1323124243013 is an equidigital number, since it uses as much as digits as its factorization.

1323124243013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044567.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1323124243013 its reverse (3103424213231), we get a palindrome (4426548456244).

The spelling of 1323124243013 in words is "one trillion, three hundred twenty-three billion, one hundred twenty-four million, two hundred forty-three thousand, thirteen".