32423789 has 2 divisors, whose sum is σ = 32423790. Its totient is φ = 32423788.

The previous prime is 32423759. The next prime is 32423801. The reversal of 32423789 is 98732423.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24255625 + 8168164 = 4925^2 + 2858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32423789 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32423719) 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, 16211894 + 16211895.

It is an arithmetic number, because the mean of its divisors is an integer number (16211895).

Almost surely, 2^32423789 is an apocalyptic number.

It is an amenable number.

32423789 is a deficient number, since it is larger than the sum of its proper divisors (1).

32423789 is an equidigital number, since it uses as much as digits as its factorization.

32423789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 32423789 is about 5694.1890555197. The cubic root of 32423789 is about 318.8755750765.

The spelling of 32423789 in words is "thirty-two million, four hundred twenty-three thousand, seven hundred eighty-nine".