4230401321 has 2 divisors, whose sum is σ = 4230401322. Its totient is φ = 4230401320.

The previous prime is 4230401317. The next prime is 4230401347. The reversal of 4230401321 is 1231040324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2434336921 + 1796064400 = 49339^2 + 42380^2 .

It is a cyclic number.

It is not a de Polignac number, because 4230401321 - 2² = 4230401317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4230401293 and 4230401302.

It is not a weakly prime, because it can be changed into another prime (4230401821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115200660 + 2115200661.

It is an arithmetic number, because the mean of its divisors is an integer number (2115200661).

Almost surely, 2^4230401321 is an apocalyptic number.

It is an amenable number.

4230401321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4230401321 is an equidigital number, since it uses as much as digits as its factorization.

4230401321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4230401321 is about 65041.5353524192. The cubic root of 4230401321 is about 1617.3121767342.

Adding to 4230401321 its reverse (1231040324), we get a palindrome (5461441645).

The spelling of 4230401321 in words is "four billion, two hundred thirty million, four hundred one thousand, three hundred twenty-one".