223530424400 has 60 divisors (see below), whose sum is σ = 537522445692. Its totient is φ = 89330488320.

The previous prime is 223530424393. The next prime is 223530424417. The reversal of 223530424400 is 4424035322.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 7041223744 + 216489200656 = 83912^2 + 465284^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184094 + ... + 693506.

Almost surely, 2^223530424400 is an apocalyptic number.

223530424400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223530424400 is an abundant number, since it is smaller than the sum of its proper divisors (313992021292).

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

223530424400 is a wasteful number, since it uses less digits than its factorization.

223530424400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510528 (or 510517 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 223530424400 its reverse (4424035322), we get a palindrome (227954459722).

The spelling of 223530424400 in words is "two hundred twenty-three billion, five hundred thirty million, four hundred twenty-four thousand, four hundred".