23984647 has 2 divisors, whose sum is σ = 23984648. Its totient is φ = 23984646.

The previous prime is 23984629. The next prime is 23984657. The reversal of 23984647 is 74648932.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23984647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23984657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11992323 + 11992324.

It is an arithmetic number, because the mean of its divisors is an integer number (11992324).

Almost surely, 2^23984647 is an apocalyptic number.

23984647 is a deficient number, since it is larger than the sum of its proper divisors (1).

23984647 is an equidigital number, since it uses as much as digits as its factorization.

23984647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 23984647 is about 4897.4122758861. The cubic root of 23984647 is about 288.3883930032.

The spelling of 23984647 in words is "twenty-three million, nine hundred eighty-four thousand, six hundred forty-seven".