223040204143 has 4 divisors (see below), whose sum is σ = 223487179000. Its totient is φ = 222593229288.

The previous prime is 223040204099. The next prime is 223040204243. The reversal of 223040204143 is 341402040322.

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 223040204143 - 2¹³ = 223040195951 is a prime.

It is a super-2 number, since 2×223040204143² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223040204243) 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, 223486680 + ... + 223487677.

It is an arithmetic number, because the mean of its divisors is an integer number (55871794750).

Almost surely, 2^223040204143 is an apocalyptic number.

223040204143 is a deficient number, since it is larger than the sum of its proper divisors (446974857).

223040204143 is an equidigital number, since it uses as much as digits as its factorization.

223040204143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446974856.

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

Adding to 223040204143 its reverse (341402040322), we get a palindrome (564442244465).

The spelling of 223040204143 in words is "two hundred twenty-three billion, forty million, two hundred four thousand, one hundred forty-three".