223042344400 has 60 divisors (see below), whose sum is σ = 535929107692. Its totient is φ = 89205304320.

The previous prime is 223042344377. The next prime is 223042344401. The reversal of 223042344400 is 4443240322.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 22377766464 + 200664577936 = 149592^2 + 447956^2 .

It is a super-3 number, since 3×223042344400³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223042344401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3453202 + ... + 3517198.

Almost surely, 2^223042344400 is an apocalyptic number.

223042344400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223042344400 is an abundant number, since it is smaller than the sum of its proper divisors (312886763292).

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

223042344400 is a wasteful number, since it uses less digits than its factorization.

223042344400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72728 (or 72717 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 223042344400 its reverse (4443240322), we get a palindrome (227485584722).

The spelling of 223042344400 in words is "two hundred twenty-three billion, forty-two million, three hundred forty-four thousand, four hundred".