2312321000 has 128 divisors (see below), whose sum is σ = 6094033920. Its totient is φ = 813600000.

The previous prime is 2312320931. The next prime is 2312321027. The reversal of 2312321000 is 1232132.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337610 + ... + 344390.

It is an arithmetic number, because the mean of its divisors is an integer number (47609640).

Almost surely, 2^2312321000 is an apocalyptic number.

2312321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3047016960).

2312321000 is an abundant number, since it is smaller than the sum of its proper divisors (3781712920).

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

2312321000 is a wasteful number, since it uses less digits than its factorization.

2312321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6844 (or 6830 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2312321000 is about 48086.5989647844. The cubic root of 2312321000 is about 1322.3589971680.

Adding to 2312321000 its reverse (1232132), we get a palindrome (2313553132).

It can be divided in two parts, 231232 and 1000, that added together give a palindrome (232232).

The spelling of 2312321000 in words is "two billion, three hundred twelve million, three hundred twenty-one thousand".