1143023212 has 12 divisors (see below), whose sum is σ = 2024391096. Its totient is φ = 564625760.

The previous prime is 1143023209. The next prime is 1143023257. The reversal of 1143023212 is 2123203411.

It is a happy number.

It is a super-3 number, since 3×1143023212³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1143023212.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1721089 + ... + 1721752.

It is an arithmetic number, because the mean of its divisors is an integer number (168699258).

Almost surely, 2^1143023212 is an apocalyptic number.

It is an amenable number.

1143023212 is a deficient number, since it is larger than the sum of its proper divisors (881367884).

1143023212 is a wasteful number, since it uses less digits than its factorization.

1143023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442928 (or 3442926 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1143023212 is about 33808.6262956660. The cubic root of 1143023212 is about 1045.5665561769.

Adding to 1143023212 its reverse (2123203411), we get a palindrome (3266226623).

The spelling of 1143023212 in words is "one billion, one hundred forty-three million, twenty-three thousand, two hundred twelve".