223120123 has 8 divisors (see below), whose sum is σ = 227865600. Its totient is φ = 218406888.

The previous prime is 223120109. The next prime is 223120129. The reversal of 223120123 is 321021322.

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 223120123 - 2⁵ = 223120091 is a prime.

It is a super-3 number, since 3×223120123³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223120097 and 223120106.

It is not an unprimeable number, because it can be changed into a prime (223120129) 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, 6190 + ... + 22012.

It is an arithmetic number, because the mean of its divisors is an integer number (28483200).

Almost surely, 2^223120123 is an apocalyptic number.

223120123 is a deficient number, since it is larger than the sum of its proper divisors (4745477).

223120123 is a wasteful number, since it uses less digits than its factorization.

223120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16121.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 223120123 is about 14937.2059971067. The cubic root of 223120123 is about 606.5215649769.

Adding to 223120123 its reverse (321021322), we get a palindrome (544141445).

The spelling of 223120123 in words is "two hundred twenty-three million, one hundred twenty thousand, one hundred twenty-three".