23308247 has 2 divisors, whose sum is σ = 23308248. Its totient is φ = 23308246.

The previous prime is 23308189. The next prime is 23308253. The reversal of 23308247 is 74280332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23308247 - 2¹⁶ = 23242711 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23308277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11654123 + 11654124.

It is an arithmetic number, because the mean of its divisors is an integer number (11654124).

Almost surely, 2^23308247 is an apocalyptic number.

23308247 is a deficient number, since it is larger than the sum of its proper divisors (1).

23308247 is an equidigital number, since it uses as much as digits as its factorization.

23308247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 23308247 is about 4827.8615348827. The cubic root of 23308247 is about 285.6515186049.

Adding to 23308247 its reverse (74280332), we get a palindrome (97588579).

The spelling of 23308247 in words is "twenty-three million, three hundred eight thousand, two hundred forty-seven".