23973871 has 2 divisors, whose sum is σ = 23973872. Its totient is φ = 23973870.

The previous prime is 23973869. The next prime is 23973913. The reversal of 23973871 is 17837932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23973871 - 2¹ = 23973869 is a prime.

Together with 23973869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23973811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11986935 + 11986936.

It is an arithmetic number, because the mean of its divisors is an integer number (11986936).

Almost surely, 2^23973871 is an apocalyptic number.

23973871 is a deficient number, since it is larger than the sum of its proper divisors (1).

23973871 is an equidigital number, since it uses as much as digits as its factorization.

23973871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 23973871 is about 4896.3119794392. The cubic root of 23973871 is about 288.3451967750.

The spelling of 23973871 in words is "twenty-three million, nine hundred seventy-three thousand, eight hundred seventy-one".