23855747 has 2 divisors, whose sum is σ = 23855748. Its totient is φ = 23855746.

The previous prime is 23855737. The next prime is 23855749. The reversal of 23855747 is 74755832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23855747 - 2⁶ = 23855683 is a prime.

Together with 23855749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23855749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11927873 + 11927874.

It is an arithmetic number, because the mean of its divisors is an integer number (11927874).

Almost surely, 2^23855747 is an apocalyptic number.

23855747 is a deficient number, since it is larger than the sum of its proper divisors (1).

23855747 is an equidigital number, since it uses as much as digits as its factorization.

23855747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 41.

The square root of 23855747 is about 4884.2345357282. The cubic root of 23855747 is about 287.8708389130.

The spelling of 23855747 in words is "twenty-three million, eight hundred fifty-five thousand, seven hundred forty-seven".