223123310011 has 16 divisors (see below), whose sum is σ = 260764288000. Its totient is φ = 190835351784.

The previous prime is 223123310009. The next prime is 223123310023. The reversal of 223123310011 is 110013321322.

It is not a de Polignac number, because 223123310011 - 2¹ = 223123310009 is a prime.

It is a super-3 number, since 3×223123310011³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223123313011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543681 + ... + 861298.

It is an arithmetic number, because the mean of its divisors is an integer number (16297768000).

Almost surely, 2^223123310011 is an apocalyptic number.

223123310011 is a deficient number, since it is larger than the sum of its proper divisors (37640977989).

223123310011 is an equidigital number, since it uses as much as digits as its factorization.

223123310011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405463 (or 1405449 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 223123310011 its reverse (110013321322), we get a palindrome (333136631333).

The spelling of 223123310011 in words is "two hundred twenty-three billion, one hundred twenty-three million, three hundred ten thousand, eleven".