223523122400 has 36 divisors (see below), whose sum is σ = 545675824512. Its totient is φ = 89409248640.

The previous prime is 223523122391. The next prime is 223523122457. The reversal of 223523122400 is 4221325322.

It is a self number, because there is not a number n which added to its sum of digits gives 223523122400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139701152 + ... + 139702751.

It is an arithmetic number, because the mean of its divisors is an integer number (15157661792).

Almost surely, 2^223523122400 is an apocalyptic number.

223523122400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223523122400 is an abundant number, since it is smaller than the sum of its proper divisors (322152702112).

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

223523122400 is a wasteful number, since it uses less digits than its factorization.

223523122400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279403923 (or 279403910 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 223523122400 its reverse (4221325322), we get a palindrome (227744447722).

The spelling of 223523122400 in words is "two hundred twenty-three billion, five hundred twenty-three million, one hundred twenty-two thousand, four hundred".