23353632209 has 2 divisors, whose sum is σ = 23353632210. Its totient is φ = 23353632208.

The previous prime is 23353632193. The next prime is 23353632223. The reversal of 23353632209 is 90223635332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23051741584 + 301890625 = 151828^2 + 17375^2 .

It is a cyclic number.

It is not a de Polignac number, because 23353632209 - 2⁴ = 23353632193 is a prime.

It is not a weakly prime, because it can be changed into another prime (23353232209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11676816104 + 11676816105.

It is an arithmetic number, because the mean of its divisors is an integer number (11676816105).

Almost surely, 2^23353632209 is an apocalyptic number.

It is an amenable number.

23353632209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23353632209 is an equidigital number, since it uses as much as digits as its factorization.

23353632209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 38.

The spelling of 23353632209 in words is "twenty-three billion, three hundred fifty-three million, six hundred thirty-two thousand, two hundred nine".