223020142243 has 4 divisors (see below), whose sum is σ = 223021202688. Its totient is φ = 223019081800.

The previous prime is 223020142231. The next prime is 223020142307. The reversal of 223020142243 is 342241020322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 223020142243 - 2⁵ = 223020142211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223020142843) 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, 96496 + ... + 674797.

It is an arithmetic number, because the mean of its divisors is an integer number (55755300672).

Almost surely, 2^223020142243 is an apocalyptic number.

223020142243 is a deficient number, since it is larger than the sum of its proper divisors (1060445).

223020142243 is an equidigital number, since it uses as much as digits as its factorization.

223020142243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060444.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 223020142243 its reverse (342241020322), we get a palindrome (565261162565).

The spelling of 223020142243 in words is "two hundred twenty-three billion, twenty million, one hundred forty-two thousand, two hundred forty-three".