223452420400 has 120 divisors (see below), whose sum is σ = 591687223344. Its totient is φ = 80417587200.

The previous prime is 223452420397. The next prime is 223452420407. The reversal of 223452420400 is 4024254322.

It is not an unprimeable number, because it can be changed into a prime (223452420407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165024 + ... + 688576.

Almost surely, 2^223452420400 is an apocalyptic number.

223452420400 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 223452420400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295843611672).

223452420400 is an abundant number, since it is smaller than the sum of its proper divisors (368234802944).

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

223452420400 is a wasteful number, since it uses less digits than its factorization.

223452420400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523679 (or 523668 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 223452420400 its reverse (4024254322), we get a palindrome (227476674722).

The spelling of 223452420400 in words is "two hundred twenty-three billion, four hundred fifty-two million, four hundred twenty thousand, four hundred".