223243421211 has 12 divisors (see below), whose sum is σ = 322587787080. Its totient is φ = 148771224000.

The previous prime is 223243421209. The next prime is 223243421239. The reversal of 223243421211 is 112124342322.

223243421211 is a `hidden beast` number, since 2 + 2 + 3 + 2 + 434 + 212 + 11 = 666.

It is not a de Polignac number, because 223243421211 - 2¹ = 223243421209 is a prime.

It is a super-3 number, since 3×223243421211³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (223243421251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4785790 + ... + 4832211.

It is an arithmetic number, because the mean of its divisors is an integer number (26882315590).

Almost surely, 2^223243421211 is an apocalyptic number.

223243421211 is a deficient number, since it is larger than the sum of its proper divisors (99344365869).

223243421211 is a wasteful number, since it uses less digits than its factorization.

223243421211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9620586 (or 9620583 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 223243421211 its reverse (112124342322), we get a palindrome (335367763533).

The spelling of 223243421211 in words is "two hundred twenty-three billion, two hundred forty-three million, four hundred twenty-one thousand, two hundred eleven".