32423231 has 2 divisors, whose sum is σ = 32423232. Its totient is φ = 32423230.

The previous prime is 32423221. The next prime is 32423263. The reversal of 32423231 is 13232423.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32423231 is a prime.

It is a super-2 number, since 2×32423231² = 2102531816958722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32423201) 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, 16211615 + 16211616.

It is an arithmetic number, because the mean of its divisors is an integer number (16211616).

Almost surely, 2^32423231 is an apocalyptic number.

32423231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32423231 is an equidigital number, since it uses as much as digits as its factorization.

32423231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 20.

The square root of 32423231 is about 5694.1400579894. The cubic root of 32423231 is about 318.8737458271.

Adding to 32423231 its reverse (13232423), we get a palindrome (45655654).

The spelling of 32423231 in words is "thirty-two million, four hundred twenty-three thousand, two hundred thirty-one".