223420303111 has 4 divisors (see below), whose sum is σ = 223421348800. Its totient is φ = 223419257424.

The previous prime is 223420303097. The next prime is 223420303121. The reversal of 223420303111 is 111303024322.

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 223420303111 - 2⁵ = 223420303079 is a prime.

It is a super-2 number, since 2×223420303111² (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 (223420303121) 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, 73806 + ... + 672523.

It is an arithmetic number, because the mean of its divisors is an integer number (55855337200).

Almost surely, 2^223420303111 is an apocalyptic number.

223420303111 is a deficient number, since it is larger than the sum of its proper divisors (1045689).

223420303111 is an equidigital number, since it uses as much as digits as its factorization.

223420303111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045688.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 223420303111 its reverse (111303024322), we get a palindrome (334723327433).

The spelling of 223420303111 in words is "two hundred twenty-three billion, four hundred twenty million, three hundred three thousand, one hundred eleven".