223113123121 has 8 divisors (see below), whose sum is σ = 257242944384. Its totient is φ = 189547431360.

The previous prime is 223113123119. The next prime is 223113123161. The reversal of 223113123121 is 121321311322.

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

It is not a de Polignac number, because 223113123121 - 2¹ = 223113123119 is a prime.

It is a super-3 number, since 3×223113123121³ (a number of 35 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 = 223113123092 and 223113123101.

It is not an unprimeable number, because it can be changed into a prime (223113123161) 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, 141031525 + ... + 141033106.

It is an arithmetic number, because the mean of its divisors is an integer number (32155368048).

Almost surely, 2^223113123121 is an apocalyptic number.

It is an amenable number.

223113123121 is a deficient number, since it is larger than the sum of its proper divisors (34129821263).

223113123121 is a wasteful number, since it uses less digits than its factorization.

223113123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282064751.

The product of its digits is 432, while the sum is 22.

Adding to 223113123121 its reverse (121321311322), we get a palindrome (344434434443).

The spelling of 223113123121 in words is "two hundred twenty-three billion, one hundred thirteen million, one hundred twenty-three thousand, one hundred twenty-one".