1223113450 has 96 divisors (see below), whose sum is σ = 2632331520. Its totient is φ = 418790400.

The previous prime is 1223113417. The next prime is 1223113487. The reversal of 1223113450 is 543113221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 783771 + ... + 785329.

It is an arithmetic number, because the mean of its divisors is an integer number (27420120).

Almost surely, 2^1223113450 is an apocalyptic number.

1223113450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223113450 is an abundant number, since it is smaller than the sum of its proper divisors (1409218070).

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

1223113450 is a wasteful number, since it uses less digits than its factorization.

1223113450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1223113450 is about 34973.0389014166. The cubic root of 1223113450 is about 1069.4379235574.

Adding to 1223113450 its reverse (543113221), we get a palindrome (1766226671).

The spelling of 1223113450 in words is "one billion, two hundred twenty-three million, one hundred thirteen thousand, four hundred fifty".