23986913 has 2 divisors, whose sum is σ = 23986914. Its totient is φ = 23986912.

The previous prime is 23986909. The next prime is 23986933. The reversal of 23986913 is 31968932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23309584 + 677329 = 4828^2 + 823^2 .

It is a cyclic number.

It is not a de Polignac number, because 23986913 - 2² = 23986909 is a prime.

It is not a weakly prime, because it can be changed into another prime (23986903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11993456 + 11993457.

It is an arithmetic number, because the mean of its divisors is an integer number (11993457).

Almost surely, 2^23986913 is an apocalyptic number.

It is an amenable number.

23986913 is a deficient number, since it is larger than the sum of its proper divisors (1).

23986913 is an equidigital number, since it uses as much as digits as its factorization.

23986913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 23986913 is about 4897.6436170877. The cubic root of 23986913 is about 288.3974747506.

The spelling of 23986913 in words is "twenty-three million, nine hundred eighty-six thousand, nine hundred thirteen".