23086009 has 2 divisors, whose sum is σ = 23086010. Its totient is φ = 23086008.

The previous prime is 23085991. The next prime is 23086057. The reversal of 23086009 is 90068032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22325625 + 760384 = 4725^2 + 872^2 .

It is a cyclic number.

It is not a de Polignac number, because 23086009 - 2¹¹ = 23083961 is a prime.

It is not a weakly prime, because it can be changed into another prime (23086069) 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, 11543004 + 11543005.

It is an arithmetic number, because the mean of its divisors is an integer number (11543005).

Almost surely, 2^23086009 is an apocalyptic number.

It is an amenable number.

23086009 is a deficient number, since it is larger than the sum of its proper divisors (1).

23086009 is an equidigital number, since it uses as much as digits as its factorization.

23086009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23086009 is about 4804.7902139427. The cubic root of 23086009 is about 284.7407471062.

The spelling of 23086009 in words is "twenty-three million, eighty-six thousand, nine".