12320520323 has 8 divisors (see below), whose sum is σ = 12694041696. Its totient is φ = 11952532800.

The previous prime is 12320520307. The next prime is 12320520337. The reversal of 12320520323 is 32302502321.

12320520323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12320520323 - 2⁴ = 12320520307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320520523) 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, 1378943 + ... + 1387848.

It is an arithmetic number, because the mean of its divisors is an integer number (1586755212).

Almost surely, 2^12320520323 is an apocalyptic number.

12320520323 is a deficient number, since it is larger than the sum of its proper divisors (373521373).

12320520323 is an equidigital number, since it uses as much as digits as its factorization.

12320520323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766925.

The product of its (nonzero) digits is 2160, while the sum is 23.

The spelling of 12320520323 in words is "twelve billion, three hundred twenty million, five hundred twenty thousand, three hundred twenty-three".