223043440120 has 128 divisors (see below), whose sum is σ = 538683955200. Its totient is φ = 82821021696.

The previous prime is 223043440117. The next prime is 223043440127. The reversal of 223043440120 is 21044340322.

It is a happy number.

It is a super-2 number, since 2×223043440120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223043440127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14932816 + ... + 14947744.

It is an arithmetic number, because the mean of its divisors is an integer number (4208468400).

Almost surely, 2^223043440120 is an apocalyptic number.

223043440120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223043440120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269341977600).

223043440120 is an abundant number, since it is smaller than the sum of its proper divisors (315640515080).

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

223043440120 is a wasteful number, since it uses less digits than its factorization.

223043440120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15257 (or 15253 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 223043440120 its reverse (21044340322), we get a palindrome (244087780442).

The spelling of 223043440120 in words is "two hundred twenty-three billion, forty-three million, four hundred forty thousand, one hundred twenty".