23001300203209 has 2 divisors, whose sum is σ = 23001300203210. Its totient is φ = 23001300203208.

The previous prime is 23001300203183. The next prime is 23001300203293. The reversal of 23001300203209 is 90230200310032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17801623324809 + 5199676878400 = 4219197^2 + 2280280^2 .

It is a cyclic number.

It is not a de Polignac number, because 23001300203209 - 2⁵ = 23001300203177 is a prime.

It is a super-2 number, since 2×23001300203209² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23001300203809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500650101604 + 11500650101605.

It is an arithmetic number, because the mean of its divisors is an integer number (11500650101605).

Almost surely, 2^{23001300203209} is an apocalyptic number.

It is an amenable number.

23001300203209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23001300203209 is an equidigital number, since it uses as much as digits as its factorization.

23001300203209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The spelling of 23001300203209 in words is "twenty-three trillion, one billion, three hundred million, two hundred three thousand, two hundred nine".