23824861 has 2 divisors, whose sum is σ = 23824862. Its totient is φ = 23824860.

The previous prime is 23824859. The next prime is 23824891. The reversal of 23824861 is 16842832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12467961 + 11356900 = 3531^2 + 3370^2 .

It is a cyclic number.

It is not a de Polignac number, because 23824861 - 2¹ = 23824859 is a prime.

Together with 23824859, it forms a pair of twin primes.

It is equal to p_1496842 and since 23824861 and 1496842 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23824891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11912430 + 11912431.

It is an arithmetic number, because the mean of its divisors is an integer number (11912431).

Almost surely, 2^23824861 is an apocalyptic number.

It is an amenable number.

23824861 is a deficient number, since it is larger than the sum of its proper divisors (1).

23824861 is an equidigital number, since it uses as much as digits as its factorization.

23824861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 34.

The square root of 23824861 is about 4881.0717060908. The cubic root of 23824861 is about 287.7465499436.

The spelling of 23824861 in words is "twenty-three million, eight hundred twenty-four thousand, eight hundred sixty-one".