1143320200 has 48 divisors (see below), whose sum is σ = 2899881360. Its totient is φ = 415752000.

The previous prime is 1143320183. The next prime is 1143320201. The reversal of 1143320200 is 20233411.

It is a happy number.

1143320200 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1143320201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257646 + ... + 262045.

It is an arithmetic number, because the mean of its divisors is an integer number (60414195).

Almost surely, 2^1143320200 is an apocalyptic number.

1143320200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143320200 is an abundant number, since it is smaller than the sum of its proper divisors (1756561160).

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

1143320200 is a wasteful number, since it uses less digits than its factorization.

1143320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519718 (or 519709 counting only the distinct ones).

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

The square root of 1143320200 is about 33813.0182030531. The cubic root of 1143320200 is about 1045.6571037200.

Adding to 1143320200 its reverse (20233411), we get a palindrome (1163553611).

The spelling of 1143320200 in words is "one billion, one hundred forty-three million, three hundred twenty thousand, two hundred".