23788907 has 2 divisors, whose sum is σ = 23788908. Its totient is φ = 23788906.

The previous prime is 23788901. The next prime is 23788949. The reversal of 23788907 is 70988732.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23788907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23788901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11894453 + 11894454.

It is an arithmetic number, because the mean of its divisors is an integer number (11894454).

Almost surely, 2^23788907 is an apocalyptic number.

23788907 is a deficient number, since it is larger than the sum of its proper divisors (1).

23788907 is an equidigital number, since it uses as much as digits as its factorization.

23788907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 23788907 is about 4877.3873128961. The cubic root of 23788907 is about 287.6017313581.

The spelling of 23788907 in words is "twenty-three million, seven hundred eighty-eight thousand, nine hundred seven".