23244032809 has 2 divisors, whose sum is σ = 23244032810. Its totient is φ = 23244032808.

The previous prime is 23244032807. The next prime is 23244032827. The reversal of 23244032809 is 90823044232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15079103209 + 8164929600 = 122797^2 + 90360^2 .

It is a cyclic number.

It is not a de Polignac number, because 23244032809 - 2¹ = 23244032807 is a prime.

It is a super-2 number, since 2×23244032809² (a number of 22 digits) contains 22 as substring.

Together with 23244032807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23244032807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11622016404 + 11622016405.

It is an arithmetic number, because the mean of its divisors is an integer number (11622016405).

Almost surely, 2^23244032809 is an apocalyptic number.

It is an amenable number.

23244032809 is a deficient number, since it is larger than the sum of its proper divisors (1).

23244032809 is an equidigital number, since it uses as much as digits as its factorization.

23244032809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 23244032809 in words is "twenty-three billion, two hundred forty-four million, thirty-two thousand, eight hundred nine".