23532566089 has 2 divisors, whose sum is σ = 23532566090. Its totient is φ = 23532566088.

The previous prime is 23532566077. The next prime is 23532566129. The reversal of 23532566089 is 98066523532.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23358537225 + 174028864 = 152835^2 + 13192^2 .

It is a cyclic number.

It is not a de Polignac number, because 23532566089 - 2²¹ = 23530468937 is a prime.

It is not a weakly prime, because it can be changed into another prime (23532566069) 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, 11766283044 + 11766283045.

It is an arithmetic number, because the mean of its divisors is an integer number (11766283045).

Almost surely, 2^23532566089 is an apocalyptic number.

It is an amenable number.

23532566089 is a deficient number, since it is larger than the sum of its proper divisors (1).

23532566089 is an equidigital number, since it uses as much as digits as its factorization.

23532566089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 23532566089 in words is "twenty-three billion, five hundred thirty-two million, five hundred sixty-six thousand, eighty-nine".