2312123300 has 144 divisors (see below), whose sum is σ = 5562560640. Its totient is φ = 830269440.

The previous prime is 2312123293. The next prime is 2312123309. The reversal of 2312123300 is 33212132.

It is not an unprimeable number, because it can be changed into a prime (2312123309) 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 47 ways as a sum of consecutive naturals, for example, 6860732 + ... + 6861068.

Almost surely, 2^2312123300 is an apocalyptic number.

2312123300 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 2312123300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2781280320).

2312123300 is an abundant number, since it is smaller than the sum of its proper divisors (3250437340).

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

2312123300 is a wasteful number, since it uses less digits than its factorization.

2312123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2312123300 is about 48084.5432545636. The cubic root of 2312123300 is about 1322.3213095193.

Adding to 2312123300 its reverse (33212132), we get a palindrome (2345335432).

The spelling of 2312123300 in words is "two billion, three hundred twelve million, one hundred twenty-three thousand, three hundred".