223123202220 has 48 divisors (see below), whose sum is σ = 636532616160. Its totient is φ = 58376887296.

The previous prime is 223123202179. The next prime is 223123202221. The reversal of 223123202220 is 22202321322.

It is a super-3 number, since 3×223123202220³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223123202221) 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, 35079085 + ... + 35085444.

It is an arithmetic number, because the mean of its divisors is an integer number (13261096170).

Almost surely, 2^223123202220 is an apocalyptic number.

223123202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223123202220 is an abundant number, since it is smaller than the sum of its proper divisors (413409413940).

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

223123202220 is a wasteful number, since it uses less digits than its factorization.

223123202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70164594 (or 70164592 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 223123202220 its reverse (22202321322), we get a palindrome (245325523542).

It can be divided in two parts, 22312320 and 2220, that added together give a triangular number (22314540 = T₆₆₈₀).

The spelling of 223123202220 in words is "two hundred twenty-three billion, one hundred twenty-three million, two hundred two thousand, two hundred twenty".