63230321 has 8 divisors (see below), whose sum is σ = 78832704. Its totient is φ = 49270320.

The previous prime is 63230291. The next prime is 63230329. The reversal of 63230321 is 12303236.

63230321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-63230321 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63230293 and 63230302.

It is not an unprimeable number, because it can be changed into a prime (63230329) 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 in 7 ways as a sum of consecutive naturals, for example, 410510 + ... + 410663.

It is an arithmetic number, because the mean of its divisors is an integer number (9854088).

Almost surely, 2^63230321 is an apocalyptic number.

It is an amenable number.

63230321 is a deficient number, since it is larger than the sum of its proper divisors (15602383).

63230321 is a wasteful number, since it uses less digits than its factorization.

63230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821191.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 63230321 is about 7951.7495559154. The cubic root of 63230321 is about 398.3900307749.

Adding to 63230321 its reverse (12303236), we get a palindrome (75533557).

The spelling of 63230321 in words is "sixty-three million, two hundred thirty thousand, three hundred twenty-one".