223111320023 has 4 divisors (see below), whose sum is σ = 226892867880. Its totient is φ = 219329772168.

The previous prime is 223111320013. The next prime is 223111320043. The reversal of 223111320023 is 320023111322.

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 223111320023 - 2³⁴ = 205931450839 is a prime.

It is a super-3 number, since 3×223111320023³ (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 a junction number, because it is equal to n+sod(n) for n = 223111319977 and 223111320004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223111320013) 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, 1890773840 + ... + 1890773957.

It is an arithmetic number, because the mean of its divisors is an integer number (56723216970).

Almost surely, 2^223111320023 is an apocalyptic number.

223111320023 is a deficient number, since it is larger than the sum of its proper divisors (3781547857).

223111320023 is an equidigital number, since it uses as much as digits as its factorization.

223111320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781547856.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 223111320023 its reverse (320023111322), we get a palindrome (543134431345).

The spelling of 223111320023 in words is "two hundred twenty-three billion, one hundred eleven million, three hundred twenty thousand, twenty-three".