223021432120 has 32 divisors (see below), whose sum is σ = 501872338800. Its totient is φ = 89195396608.

The previous prime is 223021432087. The next prime is 223021432129. The reversal of 223021432120 is 21234120322.

It is a junction number, because it is equal to n+sod(n) for n = 223021432091 and 223021432100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223021432129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 135265 + ... + 681424.

Almost surely, 2^223021432120 is an apocalyptic number.

223021432120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223021432120 is an abundant number, since it is smaller than the sum of its proper divisors (278850906680).

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

223021432120 is a wasteful number, since it uses less digits than its factorization.

223021432120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823527 (or 823523 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 223021432120 its reverse (21234120322), we get a palindrome (244255552442).

The spelling of 223021432120 in words is "two hundred twenty-three billion, twenty-one million, four hundred thirty-two thousand, one hundred twenty".