23281367 has 2 divisors, whose sum is σ = 23281368. Its totient is φ = 23281366.

The previous prime is 23281343. The next prime is 23281387. The reversal of 23281367 is 76318232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23281367 - 2¹⁶ = 23215831 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 (23281337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11640683 + 11640684.

It is an arithmetic number, because the mean of its divisors is an integer number (11640684).

Almost surely, 2^23281367 is an apocalyptic number.

23281367 is a deficient number, since it is larger than the sum of its proper divisors (1).

23281367 is an equidigital number, since it uses as much as digits as its factorization.

23281367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 23281367 is about 4825.0768905791. The cubic root of 23281367 is about 285.5416681249.

Adding to 23281367 its reverse (76318232), we get a palindrome (99599599).

The spelling of 23281367 in words is "twenty-three million, two hundred eighty-one thousand, three hundred sixty-seven".