23013647 has 2 divisors, whose sum is σ = 23013648. Its totient is φ = 23013646.

The previous prime is 23013637. The next prime is 23013649. The reversal of 23013647 is 74631032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23013647 - 2⁶ = 23013583 is a prime.

Together with 23013649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23013649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506823 + 11506824.

It is an arithmetic number, because the mean of its divisors is an integer number (11506824).

Almost surely, 2^23013647 is an apocalyptic number.

23013647 is a deficient number, since it is larger than the sum of its proper divisors (1).

23013647 is an equidigital number, since it uses as much as digits as its factorization.

23013647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 23013647 is about 4797.2541104261. The cubic root of 23013647 is about 284.4429336072.

Adding to 23013647 its reverse (74631032), we get a palindrome (97644679).

The spelling of 23013647 in words is "twenty-three million, thirteen thousand, six hundred forty-seven".