223441423000 has 128 divisors (see below), whose sum is σ = 527140635840. Its totient is φ = 88646400000.

The previous prime is 223441422991. The next prime is 223441423001. The reversal of 223441423000 is 324144322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223441423001) 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, 78371575 + ... + 78374425.

Almost surely, 2^223441423000 is an apocalyptic number.

223441423000 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 223441423000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263570317920).

223441423000 is an abundant number, since it is smaller than the sum of its proper divisors (303699212840).

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

223441423000 is a wasteful number, since it uses less digits than its factorization.

223441423000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486 (or 3472 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 223441423000 its reverse (324144322), we get a palindrome (223765567322).

The spelling of 223441423000 in words is "two hundred twenty-three billion, four hundred forty-one million, four hundred twenty-three thousand".