32423987 has 2 divisors, whose sum is σ = 32423988. Its totient is φ = 32423986.

The previous prime is 32423959. The next prime is 32424011. The reversal of 32423987 is 78932423.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32423987 - 2¹⁰ = 32422963 is a prime.

It is equal to p_1998344 and since 32423987 and 1998344 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32423987.

It is not a weakly prime, because it can be changed into another prime (32423917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16211993 + 16211994.

It is an arithmetic number, because the mean of its divisors is an integer number (16211994).

Almost surely, 2^32423987 is an apocalyptic number.

32423987 is a deficient number, since it is larger than the sum of its proper divisors (1).

32423987 is an equidigital number, since it uses as much as digits as its factorization.

32423987 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 32423987 is about 5694.2064416387. The cubic root of 32423987 is about 318.8762241599.

The spelling of 32423987 in words is "thirty-two million, four hundred twenty-three thousand, nine hundred eighty-seven".