223123313111 has 8 divisors (see below), whose sum is σ = 234873091200. Its totient is φ = 211374179640.

The previous prime is 223123313069. The next prime is 223123313117. The reversal of 223123313111 is 111313321322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223123313111 - 2⁶ = 223123313047 is a prime.

It is a super-3 number, since 3×223123313111³ (a number of 35 digits) contains 333 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 (223123313117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655496 + ... + 935906.

It is an arithmetic number, because the mean of its divisors is an integer number (29359136400).

Almost surely, 2^223123313111 is an apocalyptic number.

223123313111 is a deficient number, since it is larger than the sum of its proper divisors (11749778089).

223123313111 is a wasteful number, since it uses less digits than its factorization.

223123313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322309.

The product of its digits is 648, while the sum is 23.

Adding to 223123313111 its reverse (111313321322), we get a palindrome (334436634433).

The spelling of 223123313111 in words is "two hundred twenty-three billion, one hundred twenty-three million, three hundred thirteen thousand, one hundred eleven".