23130444013409 has 2 divisors, whose sum is σ = 23130444013410. Its totient is φ = 23130444013408.

The previous prime is 23130444013379. The next prime is 23130444013513. The reversal of 23130444013409 is 90431044403132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15422585665600 + 7707858347809 = 3927160^2 + 2776303^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130444013409 - 2¹⁶ = 23130443947873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23130444013309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565222006704 + 11565222006705.

It is an arithmetic number, because the mean of its divisors is an integer number (11565222006705).

Almost surely, 2^{23130444013409} is an apocalyptic number.

It is an amenable number.

23130444013409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23130444013409 is an equidigital number, since it uses as much as digits as its factorization.

23130444013409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 23130444013409 in words is "twenty-three trillion, one hundred thirty billion, four hundred forty-four million, thirteen thousand, four hundred nine".