23663011 has 2 divisors, whose sum is σ = 23663012. Its totient is φ = 23663010.

The previous prime is 23662981. The next prime is 23663033. The reversal of 23663011 is 11036632.

It is an a-pointer prime, because the next prime (23663033) can be obtained adding 23663011 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23663011 - 2⁵ = 23662979 is a prime.

It is a super-2 number, since 2×23663011² = 1119876179172242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23663111) 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, 11831505 + 11831506.

It is an arithmetic number, because the mean of its divisors is an integer number (11831506).

Almost surely, 2^23663011 is an apocalyptic number.

23663011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23663011 is an equidigital number, since it uses as much as digits as its factorization.

23663011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23663011 is about 4864.4641020363. The cubic root of 23663011 is about 287.0934836922.

Adding to 23663011 its reverse (11036632), we get a palindrome (34699643).

The spelling of 23663011 in words is "twenty-three million, six hundred sixty-three thousand, eleven".