223323243400 has 192 divisors, whose sum is σ = 537138835200. Its totient is φ = 86299637760.

The previous prime is 223323243389. The next prime is 223323243467. The reversal of 223323243400 is 4342323322.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 546022396 + ... + 546022804.

It is an arithmetic number, because the mean of its divisors is an integer number (2797598100).

Almost surely, 2^223323243400 is an apocalyptic number.

223323243400 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 223323243400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268569417600).

223323243400 is an abundant number, since it is smaller than the sum of its proper divisors (313815591800).

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

223323243400 is a wasteful number, since it uses less digits than its factorization.

223323243400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 223323243400 its reverse (4342323322), we get a palindrome (227665566722).

The spelling of 223323243400 in words is "two hundred twenty-three billion, three hundred twenty-three million, two hundred forty-three thousand, four hundred".