223104021 has 8 divisors (see below), whose sum is σ = 339968064. Its totient is φ = 127488000.

The previous prime is 223103983. The next prime is 223104029. The reversal of 223104021 is 120401322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223104021 - 2⁷ = 223103893 is a prime.

It is a super-3 number, since 3×223104021³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223104029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5311980 + ... + 5312021.

It is an arithmetic number, because the mean of its divisors is an integer number (42496008).

Almost surely, 2^223104021 is an apocalyptic number.

223104021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

223104021 is a deficient number, since it is larger than the sum of its proper divisors (116864043).

223104021 is a wasteful number, since it uses less digits than its factorization.

223104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10624011.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 223104021 is about 14936.6669976940. Note that the first 3 decimals coincide. The cubic root of 223104021 is about 606.5069742636.

Adding to 223104021 its reverse (120401322), we get a palindrome (343505343).

The spelling of 223104021 in words is "two hundred twenty-three million, one hundred four thousand, twenty-one".