223401441420 has 192 divisors, whose sum is σ = 761287766400. Its totient is φ = 54135889920.

The previous prime is 223401441383. The next prime is 223401441421. The reversal of 223401441420 is 24144104322.

223401441420 is a `hidden beast` number, since 2 + 234 + 0 + 1 + 4 + 4 + 1 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (223401441421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153361 + ... + 685800.

It is an arithmetic number, because the mean of its divisors is an integer number (3965040450).

Almost surely, 2^223401441420 is an apocalyptic number.

223401441420 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 223401441420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380643883200).

223401441420 is an abundant number, since it is smaller than the sum of its proper divisors (537886324980).

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

223401441420 is a wasteful number, since it uses less digits than its factorization.

223401441420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839225 (or 839217 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 223401441420 its reverse (24144104322), we get a palindrome (247545545742).

The spelling of 223401441420 in words is "two hundred twenty-three billion, four hundred one million, four hundred forty-one thousand, four hundred twenty".