23986811 has 2 divisors, whose sum is σ = 23986812. Its totient is φ = 23986810.

The previous prime is 23986801. The next prime is 23986817. The reversal of 23986811 is 11868932.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23986811 is a prime.

It is not a weakly prime, because it can be changed into another prime (23986817) 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, 11993405 + 11993406.

It is an arithmetic number, because the mean of its divisors is an integer number (11993406).

Almost surely, 2^23986811 is an apocalyptic number.

23986811 is a deficient number, since it is larger than the sum of its proper divisors (1).

23986811 is an equidigital number, since it uses as much as digits as its factorization.

23986811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 38.

The square root of 23986811 is about 4897.6332039057. The cubic root of 23986811 is about 288.3970659640.

The spelling of 23986811 in words is "twenty-three million, nine hundred eighty-six thousand, eight hundred eleven".