32123009 has 2 divisors, whose sum is σ = 32123010. Its totient is φ = 32123008.

The previous prime is 32122969. The next prime is 32123023. The reversal of 32123009 is 90032123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26553409 + 5569600 = 5153^2 + 2360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32123009 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (32123209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16061504 + 16061505.

It is an arithmetic number, because the mean of its divisors is an integer number (16061505).

Almost surely, 2^32123009 is an apocalyptic number.

It is an amenable number.

32123009 is a deficient number, since it is larger than the sum of its proper divisors (1).

32123009 is an equidigital number, since it uses as much as digits as its factorization.

32123009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 32123009 is about 5667.7163831653. The cubic root of 32123009 is about 317.8864915350.

The spelling of 32123009 in words is "thirty-two million, one hundred twenty-three thousand, nine".