1143523132 has 24 divisors (see below), whose sum is σ = 2142201600. Its totient is φ = 532485936.

The previous prime is 1143523097. The next prime is 1143523153. The reversal of 1143523132 is 2313253411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1143523097 and 1143523106.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 123028 + ... + 131995.

It is an arithmetic number, because the mean of its divisors is an integer number (89258400).

Almost surely, 2^1143523132 is an apocalyptic number.

It is an amenable number.

1143523132 is a deficient number, since it is larger than the sum of its proper divisors (998678468).

1143523132 is a wasteful number, since it uses less digits than its factorization.

1143523132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255105 (or 255103 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 1143523132 is about 33816.0188668033. The cubic root of 1143523132 is about 1045.7189658691.

Adding to 1143523132 its reverse (2313253411), we get a palindrome (3456776543).

The spelling of 1143523132 in words is "one billion, one hundred forty-three million, five hundred twenty-three thousand, one hundred thirty-two".