4234030321 has 2 divisors, whose sum is σ = 4234030322. Its totient is φ = 4234030320.

The previous prime is 4234030291. The next prime is 4234030327. The reversal of 4234030321 is 1230304324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2706080400 + 1527949921 = 52020^2 + 39089^2 .

It is a cyclic number.

It is not a de Polignac number, because 4234030321 - 2⁵ = 4234030289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4234030292 and 4234030301.

It is not a weakly prime, because it can be changed into another prime (4234030327) 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, 2117015160 + 2117015161.

It is an arithmetic number, because the mean of its divisors is an integer number (2117015161).

Almost surely, 2^4234030321 is an apocalyptic number.

It is an amenable number.

4234030321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4234030321 is an equidigital number, since it uses as much as digits as its factorization.

4234030321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 4234030321 is about 65069.4269300107. The cubic root of 4234030321 is about 1617.7745086314.

Adding to 4234030321 its reverse (1230304324), we get a palindrome (5464334645).

The spelling of 4234030321 in words is "four billion, two hundred thirty-four million, thirty thousand, three hundred twenty-one".