223423113321 has 10 divisors (see below), whose sum is σ = 333755515082. Its totient is φ = 148948742160.

The previous prime is 223423113299. The next prime is 223423113371. The reversal of 223423113321 is 123311324322.

223423113321 is a `hidden beast` number, since 2 + 2 + 342 + 311 + 3 + 3 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 137492640000 + 85930473321 = 370800^2 + 293139^2 .

It is not a de Polignac number, because 223423113321 - 2¹⁸ = 223422851177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223423113371) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1379154940 + ... + 1379155101.

Almost surely, 2^223423113321 is an apocalyptic number.

It is an amenable number.

223423113321 is a deficient number, since it is larger than the sum of its proper divisors (110332401761).

223423113321 is an equidigital number, since it uses as much as digits as its factorization.

223423113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758310053 (or 2758310044 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 223423113321 its reverse (123311324322), we get a palindrome (346734437643).

The spelling of 223423113321 in words is "two hundred twenty-three billion, four hundred twenty-three million, one hundred thirteen thousand, three hundred twenty-one".