32009423 has 2 divisors, whose sum is σ = 32009424. Its totient is φ = 32009422.

The previous prime is 32009401. The next prime is 32009431. The reversal of 32009423 is 32490023.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32009423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32002423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16004711 + 16004712.

It is an arithmetic number, because the mean of its divisors is an integer number (16004712).

Almost surely, 2^32009423 is an apocalyptic number.

32009423 is a deficient number, since it is larger than the sum of its proper divisors (1).

32009423 is an equidigital number, since it uses as much as digits as its factorization.

32009423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 32009423 is about 5657.6870715868. The cubic root of 32009423 is about 317.5113700022.

Adding to 32009423 its reverse (32490023), we get a palindrome (64499446).

The spelling of 32009423 in words is "thirty-two million, nine thousand, four hundred twenty-three".