223220230311 has 16 divisors (see below), whose sum is σ = 339375554784. Its totient is φ = 129285924864.

The previous prime is 223220230291. The next prime is 223220230319. The reversal of 223220230311 is 113032022322.

It is a happy number.

It is not a de Polignac number, because 223220230311 - 2²⁵ = 223186675879 is a prime.

It is a super-3 number, since 3×223220230311³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223220230319) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 168340386 + ... + 168341711.

It is an arithmetic number, because the mean of its divisors is an integer number (21210972174).

Almost surely, 2^223220230311 is an apocalyptic number.

223220230311 is a deficient number, since it is larger than the sum of its proper divisors (116155324473).

223220230311 is a wasteful number, since it uses less digits than its factorization.

223220230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336682130.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223220230311 its reverse (113032022322), we get a palindrome (336252252633).

The spelling of 223220230311 in words is "two hundred twenty-three billion, two hundred twenty million, two hundred thirty thousand, three hundred eleven".