13120000323 has 4 divisors (see below), whose sum is σ = 17493333768. Its totient is φ = 8746666880.

The previous prime is 13120000307. The next prime is 13120000343. The reversal of 13120000323 is 32300002131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13120000323 - 2⁴ = 13120000307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13120000343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186666718 + ... + 2186666723.

It is an arithmetic number, because the mean of its divisors is an integer number (4373333442).

Almost surely, 2^13120000323 is an apocalyptic number.

13120000323 is a deficient number, since it is larger than the sum of its proper divisors (4373333445).

13120000323 is an equidigital number, since it uses as much as digits as its factorization.

13120000323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373333444.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13120000323 its reverse (32300002131), we get a palindrome (45420002454).

The spelling of 13120000323 in words is "thirteen billion, one hundred twenty million, three hundred twenty-three", and thus it is an aban number.