1232231200 has 36 divisors (see below), whose sum is σ = 3008186370. Its totient is φ = 492892160.

The previous prime is 1232231173. The next prime is 1232231201. The reversal of 1232231200 is 21322321.

It can be written as a sum of positive squares in 3 ways, for example, as 503015184 + 729216016 = 22428^2 + 27004^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1232231201) 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 5 ways as a sum of consecutive naturals, for example, 769345 + ... + 770944.

Almost surely, 2^1232231200 is an apocalyptic number.

1232231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232231200 is an abundant number, since it is smaller than the sum of its proper divisors (1775955170).

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

1232231200 is a wasteful number, since it uses less digits than its factorization.

1232231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540309 (or 1540296 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1232231200 is about 35103.1508557280. The cubic root of 1232231200 is about 1072.0887373636.

Adding to 1232231200 its reverse (21322321), we get a palindrome (1253553521).

The spelling of 1232231200 in words is "one billion, two hundred thirty-two million, two hundred thirty-one thousand, two hundred".