223221121022123 has 8 divisors (see below), whose sum is σ = 255150237300192. Its totient is φ = 191302100919936.

The previous prime is 223221121022017. The next prime is 223221121022189. The reversal of 223221121022123 is 321220121122322.

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 223221121022123 - 2³⁴ = 223203941152939 is a prime.

It is a super-3 number, since 3×223221121022123³ (a number of 44 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 = 223221121022092 and 223221121022101.

It is not an unprimeable number, because it can be changed into a prime (223221121027123) 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, 2523996590 + ... + 2524085027.

It is an arithmetic number, because the mean of its divisors is an integer number (31893779662524).

Almost surely, 2^{223221121022123} is an apocalyptic number.

223221121022123 is a deficient number, since it is larger than the sum of its proper divisors (31929116278069).

223221121022123 is an equidigital number, since it uses as much as digits as its factorization.

223221121022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048087941.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 223221121022123 its reverse (321220121122322), we get a palindrome (544441242144445).

The spelling of 223221121022123 in words is "two hundred twenty-three trillion, two hundred twenty-one billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty-three".