1306123303325 has 6 divisors (see below), whose sum is σ = 1619592896154. Its totient is φ = 1044898642640.

The previous prime is 1306123303267. The next prime is 1306123303327. The reversal of 1306123303325 is 5233033216031.

It can be written as a sum of positive squares in 3 ways, for example, as 431939442841 + 874183860484 = 657221^2 + 934978^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1306123303325 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1306123303291 and 1306123303300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306123303327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26122466042 + ... + 26122466091.

It is an arithmetic number, because the mean of its divisors is an integer number (269932149359).

Almost surely, 2^{1306123303325} is an apocalyptic number.

It is an amenable number.

1306123303325 is a deficient number, since it is larger than the sum of its proper divisors (313469592829).

1306123303325 is an equidigital number, since it uses as much as digits as its factorization.

1306123303325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52244932143 (or 52244932138 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 32.

Adding to 1306123303325 its reverse (5233033216031), we get a palindrome (6539156519356).

The spelling of 1306123303325 in words is "one trillion, three hundred six billion, one hundred twenty-three million, three hundred three thousand, three hundred twenty-five".