223104431 has 4 divisors (see below), whose sum is σ = 243386664. Its totient is φ = 202822200.

The previous prime is 223104407. The next prime is 223104443. The reversal of 223104431 is 134401322.

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

It is a cyclic number.

It is not a de Polignac number, because 223104431 - 2⁶ = 223104367 is a prime.

It is a super-3 number, since 3×223104431³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223104451) 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, 10141100 + ... + 10141121.

It is an arithmetic number, because the mean of its divisors is an integer number (60846666).

Almost surely, 2^223104431 is an apocalyptic number.

223104431 is a deficient number, since it is larger than the sum of its proper divisors (20282233).

223104431 is a wasteful number, since it uses less digits than its factorization.

223104431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20282232.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 223104431 is about 14936.6807223024. The cubic root of 223104431 is about 606.5073457910.

Adding to 223104431 its reverse (134401322), we get a palindrome (357505753).

The spelling of 223104431 in words is "two hundred twenty-three million, one hundred four thousand, four hundred thirty-one".