2312332140 has 192 divisors, whose sum is σ = 6958586880. Its totient is φ = 572436480.

The previous prime is 2312332111. The next prime is 2312332151. The reversal of 2312332140 is 412332132.

2312332140 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8228800 + ... + 8229080.

It is an arithmetic number, because the mean of its divisors is an integer number (36242640).

Almost surely, 2^2312332140 is an apocalyptic number.

2312332140 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 2312332140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3479293440).

2312332140 is an abundant number, since it is smaller than the sum of its proper divisors (4646254740).

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

2312332140 is a wasteful number, since it uses less digits than its factorization.

2312332140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2312332140 is about 48086.7147973325. The cubic root of 2312332140 is about 1322.3611207278.

Adding to 2312332140 its reverse (412332132), we get a palindrome (2724664272).

The spelling of 2312332140 in words is "two billion, three hundred twelve million, three hundred thirty-two thousand, one hundred forty".