1143433412 has 12 divisors (see below), whose sum is σ = 2182918416. Its totient is φ = 519742440.

The previous prime is 1143433409. The next prime is 1143433429. The reversal of 1143433412 is 2143343411.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12993518 + ... + 12993605.

It is an arithmetic number, because the mean of its divisors is an integer number (181909868).

Almost surely, 2^1143433412 is an apocalyptic number.

It is an amenable number.

1143433412 is a deficient number, since it is larger than the sum of its proper divisors (1039485004).

1143433412 is a wasteful number, since it uses less digits than its factorization.

1143433412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25987138 (or 25987136 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 1143433412 is about 33814.6922505588. The cubic root of 1143433412 is about 1045.6916163685.

Adding to 1143433412 its reverse (2143343411), we get a palindrome (3286776823).

Subtracting 1143433412 from its reverse (2143343411), we obtain a palindrome (999909999).

The spelling of 1143433412 in words is "one billion, one hundred forty-three million, four hundred thirty-three thousand, four hundred twelve".