223023223121 has 4 divisors (see below), whose sum is σ = 223055869092. Its totient is φ = 222990577152.

The previous prime is 223023223097. The next prime is 223023223127. The reversal of 223023223121 is 121322320322.

223023223121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108145611025 + 114877612096 = 328855^2 + 338936^2 .

It is a cyclic number.

It is not a de Polignac number, because 223023223121 - 2¹⁸ = 223022960977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223023223127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16312736 + ... + 16326401.

It is an arithmetic number, because the mean of its divisors is an integer number (55763967273).

Almost surely, 2^223023223121 is an apocalyptic number.

It is an amenable number.

223023223121 is a deficient number, since it is larger than the sum of its proper divisors (32645971).

223023223121 is an equidigital number, since it uses as much as digits as its factorization.

223023223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32645970.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 223023223121 its reverse (121322320322), we get a palindrome (344345543443).

It can be divided in two parts, 22302 and 3223121, that added together give a palindrome (3245423).

The spelling of 223023223121 in words is "two hundred twenty-three billion, twenty-three million, two hundred twenty-three thousand, one hundred twenty-one".