223233420305 has 32 divisors (see below), whose sum is σ = 324236991744. Its totient is φ = 144034615296.

The previous prime is 223233420259. The next prime is 223233420413. The reversal of 223233420305 is 503024332322.

It is a cyclic number.

It is not a de Polignac number, because 223233420305 - 2¹² = 223233416209 is a prime.

It is a super-3 number, since 3×223233420305³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2498534 + ... + 2586336.

It is an arithmetic number, because the mean of its divisors is an integer number (10132405992).

Almost surely, 2^223233420305 is an apocalyptic number.

It is an amenable number.

223233420305 is a deficient number, since it is larger than the sum of its proper divisors (101003571439).

223233420305 is a wasteful number, since it uses less digits than its factorization.

223233420305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92105.

The product of its (nonzero) digits is 25920, while the sum is 29.

Adding to 223233420305 its reverse (503024332322), we get a palindrome (726257752627).

The spelling of 223233420305 in words is "two hundred twenty-three billion, two hundred thirty-three million, four hundred twenty thousand, three hundred five".