23625947 has 2 divisors, whose sum is σ = 23625948. Its totient is φ = 23625946.

The previous prime is 23625941. The next prime is 23625961. The reversal of 23625947 is 74952632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23625947 - 2⁶ = 23625883 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23625947.

It is not a weakly prime, because it can be changed into another prime (23625941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11812973 + 11812974.

It is an arithmetic number, because the mean of its divisors is an integer number (11812974).

Almost surely, 2^23625947 is an apocalyptic number.

23625947 is a deficient number, since it is larger than the sum of its proper divisors (1).

23625947 is an equidigital number, since it uses as much as digits as its factorization.

23625947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 23625947 is about 4860.6529396780. The cubic root of 23625947 is about 286.9435113241.

The spelling of 23625947 in words is "twenty-three million, six hundred twenty-five thousand, nine hundred forty-seven".