1000232320 has 32 divisors (see below), whose sum is σ = 2391181920. Its totient is φ = 400092672.

The previous prime is 1000232293. The next prime is 1000232323. The reversal of 1000232320 is 232320001.

It is a happy number.

1000232320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1000232320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000232323) 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, 780792 + ... + 782071.

It is an arithmetic number, because the mean of its divisors is an integer number (74724435).

Almost surely, 2^1000232320 is an apocalyptic number.

1000232320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000232320 is an abundant number, since it is smaller than the sum of its proper divisors (1390949600).

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

1000232320 is an equidigital number, since it uses as much as digits as its factorization.

1000232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562882 (or 1562870 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1000232320 is about 31626.4496900933. The cubic root of 1000232320 is about 1000.0774340038.

Adding to 1000232320 its reverse (232320001), we get a palindrome (1232552321).

The spelling of 1000232320 in words is "one billion, two hundred thirty-two thousand, three hundred twenty".