323215305125 has 16 divisors (see below), whose sum is σ = 413211065904. Its totient is φ = 252265600000.

The previous prime is 323215305107. The next prime is 323215305139. The reversal of 323215305125 is 521503512323.

It can be written as a sum of positive squares in 8 ways, for example, as 78105157729 + 245110147396 = 279473^2 + 495086^2 .

It is not a de Polignac number, because 323215305125 - 2¹² = 323215301029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323215305091 and 323215305100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31528076 + ... + 31538325.

It is an arithmetic number, because the mean of its divisors is an integer number (25825691619).

Almost surely, 2^323215305125 is an apocalyptic number.

It is an amenable number.

323215305125 is a deficient number, since it is larger than the sum of its proper divisors (89995760779).

323215305125 is an equidigital number, since it uses as much as digits as its factorization.

323215305125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63066457 (or 63066447 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 323215305125 its reverse (521503512323), we get a palindrome (844718817448).

The spelling of 323215305125 in words is "three hundred twenty-three billion, two hundred fifteen million, three hundred five thousand, one hundred twenty-five".