4323454321 has 2 divisors, whose sum is σ = 4323454322. Its totient is φ = 4323454320.

The previous prime is 4323454319. The next prime is 4323454363. The reversal of 4323454321 is 1234543234.

It is a happy number.

4323454321 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4316490000 + 6964321 = 65700^2 + 2639^2 .

It is a cyclic number.

It is not a de Polignac number, because 4323454321 - 2¹ = 4323454319 is a prime.

Together with 4323454319, it forms a pair of twin primes.

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

It is not a weakly prime, because it can be changed into another prime (4323454621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161727160 + 2161727161.

It is an arithmetic number, because the mean of its divisors is an integer number (2161727161).

Almost surely, 2^4323454321 is an apocalyptic number.

It is an amenable number.

4323454321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4323454321 is an equidigital number, since it uses as much as digits as its factorization.

4323454321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 31.

The square root of 4323454321 is about 65752.9795598648. The cubic root of 4323454321 is about 1629.0845501286.

Adding to 4323454321 its reverse (1234543234), we get a palindrome (5557997555).

The spelling of 4323454321 in words is "four billion, three hundred twenty-three million, four hundred fifty-four thousand, three hundred twenty-one".