223023430321 has 4 divisors (see below), whose sum is σ = 236142455652. Its totient is φ = 209904404992.

The previous prime is 223023430283. The next prime is 223023430327. The reversal of 223023430321 is 123034320322.

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 101863743921 + 121159686400 = 319161^2 + 348080^2 .

It is a cyclic number.

It is not a de Polignac number, because 223023430321 - 2¹⁷ = 223023299249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223023430327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6559512640 + ... + 6559512673.

It is an arithmetic number, because the mean of its divisors is an integer number (59035613913).

Almost surely, 2^223023430321 is an apocalyptic number.

It is an amenable number.

223023430321 is a deficient number, since it is larger than the sum of its proper divisors (13119025331).

223023430321 is a wasteful number, since it uses less digits than its factorization.

223023430321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13119025330.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 223023430321 its reverse (123034320322), we get a palindrome (346057750643).

The spelling of 223023430321 in words is "two hundred twenty-three billion, twenty-three million, four hundred thirty thousand, three hundred twenty-one".