2321123130 has 96 divisors (see below), whose sum is σ = 6163672320. Its totient is φ = 605854080.

The previous prime is 2321123113. The next prime is 2321123149. The reversal of 2321123130 is 313211232.

It is a super-2 number, since 2×2321123130² = 10775225169241993800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1438204 + ... + 1439816.

It is an arithmetic number, because the mean of its divisors is an integer number (64204920).

Almost surely, 2^2321123130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321123130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3081836160).

2321123130 is an abundant number, since it is smaller than the sum of its proper divisors (3842549190).

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

2321123130 is a wasteful number, since it uses less digits than its factorization.

2321123130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2321123130 is about 48178.0357631982. The cubic root of 2321123130 is about 1324.0347791785.

Adding to 2321123130 its reverse (313211232), we get a palindrome (2634334362).

The spelling of 2321123130 in words is "two billion, three hundred twenty-one million, one hundred twenty-three thousand, one hundred thirty".