1223323200 has 252 divisors, whose sum is σ = 4743864528. Its totient is φ = 296524800.

The previous prime is 1223323187. The next prime is 1223323223. The reversal of 1223323200 is 23233221.

It is a happy number.

1223323200 is a `hidden beast` number, since 12 + 2 + 332 + 320 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 35 ways as a sum of consecutive naturals, for example, 154539 + ... + 162261.

Almost surely, 2^1223323200 is an apocalyptic number.

1223323200 is a gapful number since it is divisible by the number (10) 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 1223323200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2371932264).

1223323200 is an abundant number, since it is smaller than the sum of its proper divisors (3520541328).

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

1223323200 is a wasteful number, since it uses less digits than its factorization.

1223323200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762 (or 7744 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1223323200 is about 34976.0375114163. The cubic root of 1223323200 is about 1069.4990521968.

Adding to 1223323200 its reverse (23233221), we get a palindrome (1246556421).

It can be divided in two parts, 1223 and 323200, that added together give a palindrome (324423).

The spelling of 1223323200 in words is "one billion, two hundred twenty-three million, three hundred twenty-three thousand, two hundred".