223021101123 has 12 divisors (see below), whose sum is σ = 322145754840. Its totient is φ = 148678812096.

The previous prime is 223021101109. The next prime is 223021101157. The reversal of 223021101123 is 321101120322.

It is not a de Polignac number, because 223021101123 - 2¹⁴ = 223021084739 is a prime.

It is a super-3 number, since 3×223021101123³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 223021101096 and 223021101105.

It is not an unprimeable number, because it can be changed into a prime (223021101323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1080715 + ... + 1270427.

It is an arithmetic number, because the mean of its divisors is an integer number (26845479570).

Almost surely, 2^223021101123 is an apocalyptic number.

223021101123 is a deficient number, since it is larger than the sum of its proper divisors (99124653717).

223021101123 is a wasteful number, since it uses less digits than its factorization.

223021101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320338 (or 320335 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 223021101123 its reverse (321101120322), we get a palindrome (544122221445).

The spelling of 223021101123 in words is "two hundred twenty-three billion, twenty-one million, one hundred one thousand, one hundred twenty-three".