2321355340 has 24 divisors (see below), whose sum is σ = 4887590400. Its totient is φ = 926114688.

The previous prime is 2321355329. The next prime is 2321355341. The reversal of 2321355340 is 435531232.

It is a super-2 number, since 2×2321355340² = 10777381229093031200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2321355299 and 2321355308.

It is not an unprimeable number, because it can be changed into a prime (2321355341) 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 7 ways as a sum of consecutive naturals, for example, 143865 + ... + 159184.

It is an arithmetic number, because the mean of its divisors is an integer number (203649600).

Almost surely, 2^2321355340 is an apocalyptic number.

2321355340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321355340 is an abundant number, since it is smaller than the sum of its proper divisors (2566235060).

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

2321355340 is a wasteful number, since it uses less digits than its factorization.

2321355340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303441 (or 303439 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2321355340 is about 48180.4456185287. The cubic root of 2321355340 is about 1324.0789307733.

Adding to 2321355340 its reverse (435531232), we get a palindrome (2756886572).

The spelling of 2321355340 in words is "two billion, three hundred twenty-one million, three hundred fifty-five thousand, three hundred forty".