23841287 has 2 divisors, whose sum is σ = 23841288. Its totient is φ = 23841286.

The previous prime is 23841281. The next prime is 23841299. The reversal of 23841287 is 78214832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23841287 - 2⁸ = 23841031 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 (23841281) 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, 11920643 + 11920644.

It is an arithmetic number, because the mean of its divisors is an integer number (11920644).

Almost surely, 2^23841287 is an apocalyptic number.

23841287 is a deficient number, since it is larger than the sum of its proper divisors (1).

23841287 is an equidigital number, since it uses as much as digits as its factorization.

23841287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 35.

The square root of 23841287 is about 4882.7540384500. The cubic root of 23841287 is about 287.8126635020.

The spelling of 23841287 in words is "twenty-three million, eight hundred forty-one thousand, two hundred eighty-seven".