32543923 has 2 divisors, whose sum is σ = 32543924. Its totient is φ = 32543922.

The previous prime is 32543921. The next prime is 32543963. The reversal of 32543923 is 32934523.

It is a weak prime.

It is an emirp because it is prime and its reverse (32934523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32543923 - 2¹ = 32543921 is a prime.

Together with 32543921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (32543921) 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, 16271961 + 16271962.

It is an arithmetic number, because the mean of its divisors is an integer number (16271962).

Almost surely, 2^32543923 is an apocalyptic number.

32543923 is a deficient number, since it is larger than the sum of its proper divisors (1).

32543923 is an equidigital number, since it uses as much as digits as its factorization.

32543923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 31.

The square root of 32543923 is about 5704.7281267384. The cubic root of 32543923 is about 319.2689136818.

The spelling of 32543923 in words is "thirty-two million, five hundred forty-three thousand, nine hundred twenty-three".