223412043321 has 16 divisors (see below), whose sum is σ = 339926233600. Its totient is φ = 144915919344.

The previous prime is 223412043313. The next prime is 223412043341. The reversal of 223412043321 is 123340214322.

223412043321 is a `hidden beast` number, since 223 + 4 + 1 + 2 + 0 + 433 + 2 + 1 = 666.

It is not a de Polignac number, because 223412043321 - 2³ = 223412043313 is a prime.

It is a super-2 number, since 2×223412043321² (a number of 23 digits) contains 22 as substring.

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 (223412043341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111816841 + ... + 111818838.

It is an arithmetic number, because the mean of its divisors is an integer number (21245389600).

Almost surely, 2^223412043321 is an apocalyptic number.

It is an amenable number.

223412043321 is a deficient number, since it is larger than the sum of its proper divisors (116514190279).

223412043321 is a wasteful number, since it uses less digits than its factorization.

223412043321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223635725 (or 223635719 counting only the distinct ones).

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

Adding to 223412043321 its reverse (123340214322), we get a palindrome (346752257643).

The spelling of 223412043321 in words is "two hundred twenty-three billion, four hundred twelve million, forty-three thousand, three hundred twenty-one".