4423321320 has 64 divisors (see below), whose sum is σ = 14476328640. Its totient is φ = 1072320000.

The previous prime is 4423321303. The next prime is 4423321363. The reversal of 4423321320 is 231233244.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1674181 + ... + 1676820.

It is an arithmetic number, because the mean of its divisors is an integer number (226192635).

Almost surely, 2^4423321320 is an apocalyptic number.

4423321320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4423321320 is an abundant number, since it is smaller than the sum of its proper divisors (10053007320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4423321320 is a wasteful number, since it uses less digits than its factorization.

4423321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351026 (or 3351022 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 4423321320 is about 66508.0545498062. The cubic root of 4423321320 is about 1641.5325402658.

Adding to 4423321320 its reverse (231233244), we get a palindrome (4654554564).

The spelling of 4423321320 in words is "four billion, four hundred twenty-three million, three hundred twenty-one thousand, three hundred twenty".