23867387 has 2 divisors, whose sum is σ = 23867388. Its totient is φ = 23867386.

The previous prime is 23867359. The next prime is 23867413. The reversal of 23867387 is 78376832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23867387 - 2¹⁸ = 23605243 is a prime.

It is not a weakly prime, because it can be changed into another prime (23867317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11933693 + 11933694.

It is an arithmetic number, because the mean of its divisors is an integer number (11933694).

Almost surely, 2^23867387 is an apocalyptic number.

23867387 is a deficient number, since it is larger than the sum of its proper divisors (1).

23867387 is an equidigital number, since it uses as much as digits as its factorization.

23867387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 44.

The square root of 23867387 is about 4885.4259793799. The cubic root of 23867387 is about 287.9176518357.

The spelling of 23867387 in words is "twenty-three million, eight hundred sixty-seven thousand, three hundred eighty-seven".