23646841 has 2 divisors, whose sum is σ = 23646842. Its totient is φ = 23646840.

The previous prime is 23646839. The next prime is 23646853. The reversal of 23646841 is 14864632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23040000 + 606841 = 4800^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 23646841 - 2¹ = 23646839 is a prime.

Together with 23646839, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23646797 and 23646806.

It is not a weakly prime, because it can be changed into another prime (23646871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11823420 + 11823421.

It is an arithmetic number, because the mean of its divisors is an integer number (11823421).

Almost surely, 2^23646841 is an apocalyptic number.

It is an amenable number.

23646841 is a deficient number, since it is larger than the sum of its proper divisors (1).

23646841 is an equidigital number, since it uses as much as digits as its factorization.

23646841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 34.

The square root of 23646841 is about 4862.8017644152. The cubic root of 23646841 is about 287.0280741597.

The spelling of 23646841 in words is "twenty-three million, six hundred forty-six thousand, eight hundred forty-one".