223124100066 has 128 divisors (see below), whose sum is σ = 579134914560. Its totient is φ = 62348757696.

The previous prime is 223124100047. The next prime is 223124100079. The reversal of 223124100066 is 660001421322.

It is a super-3 number, since 3×223124100066³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 30784855 + ... + 30792101.

It is an arithmetic number, because the mean of its divisors is an integer number (4524491520).

Almost surely, 2^223124100066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223124100066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289567457280).

223124100066 is an abundant number, since it is smaller than the sum of its proper divisors (356010814494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223124100066 is a wasteful number, since it uses less digits than its factorization.

223124100066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045 (or 9039 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 223124100066 its reverse (660001421322), we get a palindrome (883125521388).

The spelling of 223124100066 in words is "two hundred twenty-three billion, one hundred twenty-four million, one hundred thousand, sixty-six".