223423404 has 24 divisors (see below), whose sum is σ = 526107120. Its totient is φ = 73790784.

The previous prime is 223423393. The next prime is 223423441. The reversal of 223423404 is 404324322.

223423404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84099 + ... + 86714.

It is an arithmetic number, because the mean of its divisors is an integer number (21921130).

Almost surely, 2^223423404 is an apocalyptic number.

It is an amenable number.

223423404 is an abundant number, since it is smaller than the sum of its proper divisors (302683716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223423404 is a wasteful number, since it uses less digits than its factorization.

223423404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170929 (or 170927 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 223423404 is about 14947.3544147451. The cubic root of 223423404 is about 606.7962498756.

Adding to 223423404 its reverse (404324322), we get a palindrome (627747726).

The spelling of 223423404 in words is "two hundred twenty-three million, four hundred twenty-three thousand, four hundred four".