1143233412 has 24 divisors (see below), whose sum is σ = 2668579200. Its totient is φ = 380930016.

The previous prime is 1143233347. The next prime is 1143233417. The reversal of 1143233412 is 2143323411.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1143233417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16389 + ... + 50547.

It is an arithmetic number, because the mean of its divisors is an integer number (111190800).

Almost surely, 2^1143233412 is an apocalyptic number.

1143233412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143233412 is an abundant number, since it is smaller than the sum of its proper divisors (1525345788).

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

1143233412 is a wasteful number, since it uses less digits than its factorization.

1143233412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36955 (or 36953 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1143233412 is about 33811.7348268319. The cubic root of 1143233412 is about 1045.6306448781.

Adding to 1143233412 its reverse (2143323411), we get a palindrome (3286556823).

It can be divided in two parts, 11432 and 33412, that added together give a palindrome (44844).

The spelling of 1143233412 in words is "one billion, one hundred forty-three million, two hundred thirty-three thousand, four hundred twelve".