23130333209 has 2 divisors, whose sum is σ = 23130333210. Its totient is φ = 23130333208.

The previous prime is 23130333181. The next prime is 23130333257. The reversal of 23130333209 is 90233303132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22966493209 + 163840000 = 151547^2 + 12800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23130333209 is a prime.

It is not a weakly prime, because it can be changed into another prime (23130333269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565166604 + 11565166605.

It is an arithmetic number, because the mean of its divisors is an integer number (11565166605).

Almost surely, 2^23130333209 is an apocalyptic number.

It is an amenable number.

23130333209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23130333209 is an equidigital number, since it uses as much as digits as its factorization.

23130333209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 29.

The spelling of 23130333209 in words is "twenty-three billion, one hundred thirty million, three hundred thirty-three thousand, two hundred nine".