23206811 has 2 divisors, whose sum is σ = 23206812. Its totient is φ = 23206810.

The previous prime is 23206801. The next prime is 23206867. The reversal of 23206811 is 11860232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23206811 - 2²² = 19012507 is a prime.

It is not a weakly prime, because it can be changed into another prime (23206801) 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, 11603405 + 11603406.

It is an arithmetic number, because the mean of its divisors is an integer number (11603406).

Almost surely, 2^23206811 is an apocalyptic number.

23206811 is a deficient number, since it is larger than the sum of its proper divisors (1).

23206811 is an equidigital number, since it uses as much as digits as its factorization.

23206811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 23206811 is about 4817.3448080867. The cubic root of 23206811 is about 285.2365369846.

The spelling of 23206811 in words is "twenty-three million, two hundred six thousand, eight hundred eleven".