1223233300 has 72 divisors (see below), whose sum is σ = 2958560640. Its totient is φ = 436262400.

The previous prime is 1223233289. The next prime is 1223233301. The reversal of 1223233300 is 33323221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223233301) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 13365 + ... + 51235.

It is an arithmetic number, because the mean of its divisors is an integer number (41091120).

Almost surely, 2^1223233300 is an apocalyptic number.

1223233300 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 1223233300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479280320).

1223233300 is an abundant number, since it is smaller than the sum of its proper divisors (1735327340).

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

1223233300 is a wasteful number, since it uses less digits than its factorization.

1223233300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37921 (or 37914 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1223233300 is about 34974.7523222109. The cubic root of 1223233300 is about 1069.4728529825.

Adding to 1223233300 its reverse (33323221), we get a palindrome (1256556521).

The spelling of 1223233300 in words is "one billion, two hundred twenty-three million, two hundred thirty-three thousand, three hundred".