223104343221 has 16 divisors (see below), whose sum is σ = 330532350720. Its totient is φ = 148732899840.

The previous prime is 223104343199. The next prime is 223104343223. The reversal of 223104343221 is 122343401322.

223104343221 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 0 + 434 + 3 + 221 = 666.

It is not a de Polignac number, because 223104343221 - 2¹³ = 223104335029 is a prime.

It is a super-3 number, since 3×223104343221³ (a number of 35 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223104343223) 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, 1983861 + ... + 2093301.

It is an arithmetic number, because the mean of its divisors is an integer number (20658271920).

Almost surely, 2^223104343221 is an apocalyptic number.

It is an amenable number.

223104343221 is a deficient number, since it is larger than the sum of its proper divisors (107428007499).

223104343221 is a wasteful number, since it uses less digits than its factorization.

223104343221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184953 (or 184947 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 223104343221 its reverse (122343401322), we get a palindrome (345447744543).

The spelling of 223104343221 in words is "two hundred twenty-three billion, one hundred four million, three hundred forty-three thousand, two hundred twenty-one".