23840207 has 2 divisors, whose sum is σ = 23840208. Its totient is φ = 23840206.

The previous prime is 23840197. The next prime is 23840227. The reversal of 23840207 is 70204832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23840207 - 2⁶ = 23840143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23840227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11920103 + 11920104.

It is an arithmetic number, because the mean of its divisors is an integer number (11920104).

Almost surely, 2^23840207 is an apocalyptic number.

23840207 is a deficient number, since it is larger than the sum of its proper divisors (1).

23840207 is an equidigital number, since it uses as much as digits as its factorization.

23840207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 23840207 is about 4882.6434438734. The cubic root of 23840207 is about 287.8083175066.

The spelling of 23840207 in words is "twenty-three million, eight hundred forty thousand, two hundred seven".