23852209 has 2 divisors, whose sum is σ = 23852210. Its totient is φ = 23852208.

The previous prime is 23852197. The next prime is 23852221. The reversal of 23852209 is 90225832.

It is a balanced prime because it is at equal distance from previous prime (23852197) and next prime (23852221).

It can be written as a sum of positive squares in only one way, i.e., 13432225 + 10419984 = 3665^2 + 3228^2 .

It is a cyclic number.

It is not a de Polignac number, because 23852209 - 2⁵ = 23852177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23852509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11926104 + 11926105.

It is an arithmetic number, because the mean of its divisors is an integer number (11926105).

Almost surely, 2^23852209 is an apocalyptic number.

It is an amenable number.

23852209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23852209 is an equidigital number, since it uses as much as digits as its factorization.

23852209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 23852209 is about 4883.8723365788. The cubic root of 23852209 is about 287.8566070191.

The spelling of 23852209 in words is "twenty-three million, eight hundred fifty-two thousand, two hundred nine".