1223040200 has 48 divisors (see below), whose sum is σ = 2941636500. Its totient is φ = 472344320.

The previous prime is 1223040199. The next prime is 1223040211. The reversal of 1223040200 is 20403221.

It can be written as a sum of positive squares in 6 ways, for example, as 765850276 + 457189924 = 27674^2 + 21382^2 .

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 11 ways as a sum of consecutive naturals, for example, 99635 + ... + 111234.

Almost surely, 2^1223040200 is an apocalyptic number.

1223040200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223040200 is an abundant number, since it is smaller than the sum of its proper divisors (1718596300).

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

1223040200 is a wasteful number, since it uses less digits than its factorization.

1223040200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210914 (or 210905 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1223040200 is about 34971.9916504622. The cubic root of 1223040200 is about 1069.4165742454.

Adding to 1223040200 its reverse (20403221), we get a palindrome (1243443421).

The spelling of 1223040200 in words is "one billion, two hundred twenty-three million, forty thousand, two hundred".