223111042043 has 4 divisors (see below), whose sum is σ = 223115380488. Its totient is φ = 223106703600.

The previous prime is 223111042027. The next prime is 223111042073. The reversal of 223111042043 is 340240111322.

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 223111042043 - 2⁴ = 223111042027 is a prime.

It is a super-3 number, since 3×223111042043³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223111042073) 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, 2091146 + ... + 2195247.

It is an arithmetic number, because the mean of its divisors is an integer number (55778845122).

Almost surely, 2^223111042043 is an apocalyptic number.

223111042043 is a deficient number, since it is larger than the sum of its proper divisors (4338445).

223111042043 is an equidigital number, since it uses as much as digits as its factorization.

223111042043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338444.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 223111042043 its reverse (340240111322), we get a palindrome (563351153365).

The spelling of 223111042043 in words is "two hundred twenty-three billion, one hundred eleven million, forty-two thousand, forty-three".