4323432321 has 16 divisors (see below), whose sum is σ = 6897784320. Its totient is φ = 2660573520.

The previous prime is 4323432283. The next prime is 4323432341. The reversal of 4323432321 is 1232343234.

4323432321 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 4323432321 - 2⁹ = 4323431809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is not an unprimeable number, because it can be changed into a prime (4323432341) 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 15 ways as a sum of consecutive naturals, for example, 6158385 + ... + 6159086.

It is an arithmetic number, because the mean of its divisors is an integer number (431111520).

Almost surely, 2^4323432321 is an apocalyptic number.

It is an amenable number.

4323432321 is a deficient number, since it is larger than the sum of its proper divisors (2574351999).

4323432321 is a wasteful number, since it uses less digits than its factorization.

4323432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12317493 (or 12317487 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 4323432321 is about 65752.8122668529. The cubic root of 4323432321 is about 1629.0817869121.

Adding to 4323432321 its reverse (1232343234), we get a palindrome (5555775555).

The spelling of 4323432321 in words is "four billion, three hundred twenty-three million, four hundred thirty-two thousand, three hundred twenty-one".