2321132340 has 48 divisors (see below), whose sum is σ = 6841235520. Its totient is φ = 586391040.

The previous prime is 2321132339. The next prime is 2321132351. The reversal of 2321132340 is 432311232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1016901 + ... + 1019180.

It is an arithmetic number, because the mean of its divisors is an integer number (142525740).

Almost surely, 2^2321132340 is an apocalyptic number.

2321132340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321132340 is an abundant number, since it is smaller than the sum of its proper divisors (4520103180).

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

2321132340 is a wasteful number, since it uses less digits than its factorization.

2321132340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036112 (or 2036110 counting only the distinct ones).

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

The square root of 2321132340 is about 48178.1313460786. The cubic root of 2321132340 is about 1324.0365303916.

Adding to 2321132340 its reverse (432311232), we get a palindrome (2753443572).

The spelling of 2321132340 in words is "two billion, three hundred twenty-one million, one hundred thirty-two thousand, three hundred forty".