2023680509 has 2 divisors, whose sum is σ = 2023680510. Its totient is φ = 2023680508.

The previous prime is 2023680473. The next prime is 2023680517. The reversal of 2023680509 is 9050863202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1577837284 + 445843225 = 39722^2 + 21115^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023680509 - 2¹⁶ = 2023614973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2023680539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011840254 + 1011840255.

It is an arithmetic number, because the mean of its divisors is an integer number (1011840255).

Almost surely, 2^2023680509 is an apocalyptic number.

It is an amenable number.

2023680509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023680509 is an equidigital number, since it uses as much as digits as its factorization.

2023680509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2023680509 is about 44985.3365998299. The cubic root of 2023680509 is about 1264.8741476758.

The spelling of 2023680509 in words is "two billion, twenty-three million, six hundred eighty thousand, five hundred nine".