223031120 has 80 divisors (see below), whose sum is σ = 587879040. Its totient is φ = 78008832.

The previous prime is 223031119. The next prime is 223031147. The reversal of 223031120 is 21130322.

It is a happy number.

223031120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 223031095 and 223031104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14117 + ... + 25403.

It is an arithmetic number, because the mean of its divisors is an integer number (7348488).

Almost surely, 2^223031120 is an apocalyptic number.

223031120 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 223031120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293939520).

223031120 is an abundant number, since it is smaller than the sum of its proper divisors (364847920).

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

223031120 is a wasteful number, since it uses less digits than its factorization.

223031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11332 (or 11326 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 223031120 is about 14934.2264613873. The cubic root of 223031120 is about 606.4409067533.

Adding to 223031120 its reverse (21130322), we get a palindrome (244161442).

The spelling of 223031120 in words is "two hundred twenty-three million, thirty-one thousand, one hundred twenty".