23236247 has 2 divisors, whose sum is σ = 23236248. Its totient is φ = 23236246.

The previous prime is 23236243. The next prime is 23236249. The reversal of 23236247 is 74263232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23236247 - 2² = 23236243 is a prime.

Together with 23236249, 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 (23236243) 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, 11618123 + 11618124.

It is an arithmetic number, because the mean of its divisors is an integer number (11618124).

Almost surely, 2^23236247 is an apocalyptic number.

23236247 is a deficient number, since it is larger than the sum of its proper divisors (1).

23236247 is an equidigital number, since it uses as much as digits as its factorization.

23236247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 29.

The square root of 23236247 is about 4820.3990498713. The cubic root of 23236247 is about 285.3570860083.

Adding to 23236247 its reverse (74263232), we get a palindrome (97499479).

The spelling of 23236247 in words is "twenty-three million, two hundred thirty-six thousand, two hundred forty-seven".