4401232321 has 4 divisors (see below), whose sum is σ = 4592590272. Its totient is φ = 4209874372.

The previous prime is 4401232301. The next prime is 4401232337. The reversal of 4401232321 is 1232321044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4401232321 - 2²⁷ = 4267014593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4401232292 and 4401232301.

It is not an unprimeable number, because it can be changed into a prime (4401232301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95678941 + ... + 95678986.

It is an arithmetic number, because the mean of its divisors is an integer number (1148147568).

Almost surely, 2^4401232321 is an apocalyptic number.

It is an amenable number.

4401232321 is a deficient number, since it is larger than the sum of its proper divisors (191357951).

4401232321 is a wasteful number, since it uses less digits than its factorization.

4401232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191357950.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4401232321 is about 66341.7841258433. The cubic root of 4401232321 is about 1638.7955067410.

Adding to 4401232321 its reverse (1232321044), we get a palindrome (5633553365).

The spelling of 4401232321 in words is "four billion, four hundred one million, two hundred thirty-two thousand, three hundred twenty-one".