23832409 has 2 divisors, whose sum is σ = 23832410. Its totient is φ = 23832408.

The previous prime is 23832379. The next prime is 23832421. The reversal of 23832409 is 90423832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20115225 + 3717184 = 4485^2 + 1928^2 .

It is a cyclic number.

It is not a de Polignac number, because 23832409 - 2¹¹ = 23830361 is a prime.

It is not a weakly prime, because it can be changed into another prime (23832709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11916204 + 11916205.

It is an arithmetic number, because the mean of its divisors is an integer number (11916205).

Almost surely, 2^23832409 is an apocalyptic number.

It is an amenable number.

23832409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23832409 is an equidigital number, since it uses as much as digits as its factorization.

23832409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 23832409 is about 4881.8448357153. The cubic root of 23832409 is about 287.7769339143.

The spelling of 23832409 in words is "twenty-three million, eight hundred thirty-two thousand, four hundred nine".