2023209217 has 2 divisors, whose sum is σ = 2023209218. Its totient is φ = 2023209216.

The previous prime is 2023209193. The next prime is 2023209233. The reversal of 2023209217 is 7129023202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1736888976 + 286320241 = 41676^2 + 16921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2023209217 is a prime.

It is not a weakly prime, because it can be changed into another prime (2023209317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011604608 + 1011604609.

It is an arithmetic number, because the mean of its divisors is an integer number (1011604609).

Almost surely, 2^2023209217 is an apocalyptic number.

It is an amenable number.

2023209217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023209217 is an equidigital number, since it uses as much as digits as its factorization.

2023209217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2023209217 is about 44980.0980101200. The cubic root of 2023209217 is about 1264.7759484876.

The spelling of 2023209217 in words is "two billion, twenty-three million, two hundred nine thousand, two hundred seventeen".