23849879 has 2 divisors, whose sum is σ = 23849880. Its totient is φ = 23849878.

The previous prime is 23849849. The next prime is 23849887. The reversal of 23849879 is 97894832.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23849879 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23849849) 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, 11924939 + 11924940.

It is an arithmetic number, because the mean of its divisors is an integer number (11924940).

Almost surely, 2^23849879 is an apocalyptic number.

23849879 is a deficient number, since it is larger than the sum of its proper divisors (1).

23849879 is an equidigital number, since it uses as much as digits as its factorization.

23849879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The square root of 23849879 is about 4883.6337905293. The cubic root of 23849879 is about 287.8472336352.

The spelling of 23849879 in words is "twenty-three million, eight hundred forty-nine thousand, eight hundred seventy-nine".