23306641 has 2 divisors, whose sum is σ = 23306642. Its totient is φ = 23306640.

The previous prime is 23306629. The next prime is 23306653. The reversal of 23306641 is 14660332.

It is a balanced prime because it is at equal distance from previous prime (23306629) and next prime (23306653).

It can be written as a sum of positive squares in only one way, i.e., 21818241 + 1488400 = 4671^2 + 1220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23306641 is a prime.

It is not a weakly prime, because it can be changed into another prime (23306611) 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, 11653320 + 11653321.

It is an arithmetic number, because the mean of its divisors is an integer number (11653321).

Almost surely, 2^23306641 is an apocalyptic number.

It is an amenable number.

23306641 is a deficient number, since it is larger than the sum of its proper divisors (1).

23306641 is an equidigital number, since it uses as much as digits as its factorization.

23306641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 23306641 is about 4827.6952057892. The cubic root of 23306641 is about 285.6449577386.

Adding to 23306641 its reverse (14660332), we get a palindrome (37966973).

The spelling of 23306641 in words is "twenty-three million, three hundred six thousand, six hundred forty-one".