1143123132 has 24 divisors (see below), whose sum is σ = 2732344272. Its totient is φ = 371747200.

The previous prime is 1143123119. The next prime is 1143123169. The reversal of 1143123132 is 2313213411.

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

It is a junction number, because it is equal to n+sod(n) for n = 1143123099 and 1143123108.

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, 1161219 + ... + 1162202.

It is an arithmetic number, because the mean of its divisors is an integer number (113847678).

Almost surely, 2^1143123132 is an apocalyptic number.

1143123132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143123132 is an abundant number, since it is smaller than the sum of its proper divisors (1589221140).

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

1143123132 is a wasteful number, since it uses less digits than its factorization.

1143123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323469 (or 2323467 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 1143123132 is about 33810.1039927416. The cubic root of 1143123132 is about 1045.5970221567.

Adding to 1143123132 its reverse (2313213411), we get a palindrome (3456336543).

The spelling of 1143123132 in words is "one billion, one hundred forty-three million, one hundred twenty-three thousand, one hundred thirty-two".