66232303 has 2 divisors, whose sum is σ = 66232304. Its totient is φ = 66232302.

The previous prime is 66232297. The next prime is 66232319. The reversal of 66232303 is 30323266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66232303 - 2⁹ = 66231791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66232333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33116151 + 33116152.

It is an arithmetic number, because the mean of its divisors is an integer number (33116152).

Almost surely, 2^66232303 is an apocalyptic number.

66232303 is a deficient number, since it is larger than the sum of its proper divisors (1).

66232303 is an equidigital number, since it uses as much as digits as its factorization.

66232303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 66232303 is about 8138.3231073729. The cubic root of 66232303 is about 404.5975843318.

Adding to 66232303 its reverse (30323266), we get a palindrome (96555569).

The spelling of 66232303 in words is "sixty-six million, two hundred thirty-two thousand, three hundred three".