13321300123 has 2 divisors, whose sum is σ = 13321300124. Its totient is φ = 13321300122.

The previous prime is 13321300019. The next prime is 13321300163. The reversal of 13321300123 is 32100312331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13321300123 - 2²¹ = 13319202971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13321300123.

It is not a weakly prime, because it can be changed into another prime (13321300163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660650061 + 6660650062.

It is an arithmetic number, because the mean of its divisors is an integer number (6660650062).

Almost surely, 2^13321300123 is an apocalyptic number.

13321300123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321300123 is an equidigital number, since it uses as much as digits as its factorization.

13321300123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13321300123 its reverse (32100312331), we get a palindrome (45421612454).

The spelling of 13321300123 in words is "thirteen billion, three hundred twenty-one million, three hundred thousand, one hundred twenty-three".