223325152120 has 128 divisors (see below), whose sum is σ = 583435560960. Its totient is φ = 75354969600.

The previous prime is 223325152117. The next prime is 223325152121. The reversal of 223325152120 is 21251523322.

It is a super-2 number, since 2×223325152120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223325152121) 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, 4699117 + ... + 4746403.

It is an arithmetic number, because the mean of its divisors is an integer number (4558090320).

Almost surely, 2^223325152120 is an apocalyptic number.

223325152120 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 223325152120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291717780480).

223325152120 is an abundant number, since it is smaller than the sum of its proper divisors (360110408840).

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

223325152120 is a wasteful number, since it uses less digits than its factorization.

223325152120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47573 (or 47569 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 223325152120 its reverse (21251523322), we get a palindrome (244576675442).

The spelling of 223325152120 in words is "two hundred twenty-three billion, three hundred twenty-five million, one hundred fifty-two thousand, one hundred twenty".