32404423 has 2 divisors, whose sum is σ = 32404424. Its totient is φ = 32404422.

The previous prime is 32404403. The next prime is 32404433. The reversal of 32404423 is 32440423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32404423 - 2²¹ = 30307271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32404394 and 32404403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32404403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16202211 + 16202212.

It is an arithmetic number, because the mean of its divisors is an integer number (16202212).

Almost surely, 2^32404423 is an apocalyptic number.

32404423 is a deficient number, since it is larger than the sum of its proper divisors (1).

32404423 is an equidigital number, since it uses as much as digits as its factorization.

32404423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 32404423 is about 5692.4882959915. The cubic root of 32404423 is about 318.8120766961.

Adding to 32404423 its reverse (32440423), we get a palindrome (64844846).

The spelling of 32404423 in words is "thirty-two million, four hundred four thousand, four hundred twenty-three".