223113420 has 96 divisors (see below), whose sum is σ = 697213440. Its totient is φ = 59232960.

The previous prime is 223113391. The next prime is 223113433. The reversal of 223113420 is 24311322.

223113420 is a `hidden beast` number, since 2 + 231 + 13 + 420 = 666.

It is a super-3 number, since 3×223113420³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 223113393 and 223113402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141235 + ... + 142805.

It is an arithmetic number, because the mean of its divisors is an integer number (7262640).

Almost surely, 2^223113420 is an apocalyptic number.

223113420 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 223113420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348606720).

223113420 is an abundant number, since it is smaller than the sum of its proper divisors (474100020).

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

223113420 is a wasteful number, since it uses less digits than its factorization.

223113420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852 (or 1844 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 223113420 is about 14936.9816228045. The cubic root of 223113420 is about 606.5154911862.

Adding to 223113420 its reverse (24311322), we get a palindrome (247424742).

It can be divided in two parts, 2231 and 13420, that added together give a palindrome (15651).

The spelling of 223113420 in words is "two hundred twenty-three million, one hundred thirteen thousand, four hundred twenty".