220023541343 has 4 divisors (see below), whose sum is σ = 227610560040. Its totient is φ = 212436522648.

The previous prime is 220023541247. The next prime is 220023541373. The reversal of 220023541343 is 343145320022.

It is a happy number.

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 220023541343 - 2¹² = 220023537247 is a prime.

It is a super-2 number, since 2×220023541343² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 7587018667 = 220023541343 / (2 + 2 + 0 + 0 + 2 + 3 + 5 + 4 + 1 + 3 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220023541373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3793509305 + ... + 3793509362.

It is an arithmetic number, because the mean of its divisors is an integer number (56902640010).

Almost surely, 2^220023541343 is an apocalyptic number.

220023541343 is a deficient number, since it is larger than the sum of its proper divisors (7587018697).

220023541343 is an equidigital number, since it uses as much as digits as its factorization.

220023541343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7587018696.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 220023541343 its reverse (343145320022), we get a palindrome (563168861365).

The spelling of 220023541343 in words is "two hundred twenty billion, twenty-three million, five hundred forty-one thousand, three hundred forty-three".