23108647 has 2 divisors, whose sum is σ = 23108648. Its totient is φ = 23108646.

The previous prime is 23108641. The next prime is 23108651. The reversal of 23108647 is 74680132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23108647 - 2³ = 23108639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23108641) 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, 11554323 + 11554324.

It is an arithmetic number, because the mean of its divisors is an integer number (11554324).

Almost surely, 2^23108647 is an apocalyptic number.

23108647 is a deficient number, since it is larger than the sum of its proper divisors (1).

23108647 is an equidigital number, since it uses as much as digits as its factorization.

23108647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 23108647 is about 4807.1454107401. The cubic root of 23108647 is about 284.8337883825.

Adding to 23108647 its reverse (74680132), we get a palindrome (97788779).

The spelling of 23108647 in words is "twenty-three million, one hundred eight thousand, six hundred forty-seven".