223123322123 has 4 divisors (see below), whose sum is σ = 240286654608. Its totient is φ = 205959989640.

The previous prime is 223123322087. The next prime is 223123322137. The reversal of 223123322123 is 321223321322.

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 223123322123 - 2²⁴ = 223106544907 is a prime.

It is a super-3 number, since 3×223123322123³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223123322092 and 223123322101.

It is not an unprimeable number, because it can be changed into a prime (223123322623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8581666223 + ... + 8581666248.

It is an arithmetic number, because the mean of its divisors is an integer number (60071663652).

Almost surely, 2^223123322123 is an apocalyptic number.

223123322123 is a deficient number, since it is larger than the sum of its proper divisors (17163332485).

223123322123 is a wasteful number, since it uses less digits than its factorization.

223123322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17163332484.

The product of its digits is 5184, while the sum is 26.

Adding to 223123322123 its reverse (321223321322), we get a palindrome (544346643445).

The spelling of 223123322123 in words is "two hundred twenty-three billion, one hundred twenty-three million, three hundred twenty-two thousand, one hundred twenty-three".