2113420223443 has 4 divisors (see below), whose sum is σ = 2113481440288. Its totient is φ = 2113359006600.

The previous prime is 2113420223429. The next prime is 2113420223501. The reversal of 2113420223443 is 3443220243112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2113420223443 - 2¹³ = 2113420215251 is a prime.

It is a super-3 number, since 3×2113420223443³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113420229443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30556608 + ... + 30625693.

It is an arithmetic number, because the mean of its divisors is an integer number (528370360072).

Almost surely, 2^{2113420223443} is an apocalyptic number.

2113420223443 is a deficient number, since it is larger than the sum of its proper divisors (61216845).

2113420223443 is an equidigital number, since it uses as much as digits as its factorization.

2113420223443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61216844.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 2113420223443 its reverse (3443220243112), we get a palindrome (5556640466555).

The spelling of 2113420223443 in words is "two trillion, one hundred thirteen billion, four hundred twenty million, two hundred twenty-three thousand, four hundred forty-three".