223023123223021 has 16 divisors (see below), whose sum is σ = 257610098236608. Its totient is φ = 190821552236800.

The previous prime is 223023123223007. The next prime is 223023123223093. The reversal of 223023123223021 is 120322321320322.

It is not a de Polignac number, because 223023123223021 - 2⁹ = 223023123222509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223023123223421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142804386 + ... + 144357676.

It is an arithmetic number, because the mean of its divisors is an integer number (16100631139788).

Almost surely, 2^{223023123223021} is an apocalyptic number.

It is an amenable number.

223023123223021 is a deficient number, since it is larger than the sum of its proper divisors (34586975013587).

223023123223021 is a wasteful number, since it uses less digits than its factorization.

223023123223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321132.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 223023123223021 its reverse (120322321320322), we get a palindrome (343345444543343).

The spelling of 223023123223021 in words is "two hundred twenty-three trillion, twenty-three billion, one hundred twenty-three million, two hundred twenty-three thousand, twenty-one".