2113323421340 has 24 divisors (see below), whose sum is σ = 4477253341680. Its totient is φ = 837848576768.

The previous prime is 2113323421283. The next prime is 2113323421343. The reversal of 2113323421340 is 431243233112.

It is a super-2 number, since 2×2113323421340² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113323421343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467547170 + ... + 467551689.

It is an arithmetic number, because the mean of its divisors is an integer number (186552222570).

Almost surely, 2^{2113323421340} is an apocalyptic number.

2113323421340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113323421340 is an abundant number, since it is smaller than the sum of its proper divisors (2363929920340).

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

2113323421340 is a wasteful number, since it uses less digits than its factorization.

2113323421340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935098981 (or 935098979 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 2113323421340 its reverse (431243233112), we get a palindrome (2544566654452).

The spelling of 2113323421340 in words is "two trillion, one hundred thirteen billion, three hundred twenty-three million, four hundred twenty-one thousand, three hundred forty".