1143323052 has 24 divisors (see below), whose sum is σ = 2668302000. Its totient is φ = 381029376.

The previous prime is 1143323029. The next prime is 1143323053. The reversal of 1143323052 is 2503233411.

It is not an unprimeable number, because it can be changed into a prime (1143323053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103324 + ... + 113852.

It is an arithmetic number, because the mean of its divisors is an integer number (111179250).

Almost surely, 2^1143323052 is an apocalyptic number.

1143323052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143323052 is an abundant number, since it is smaller than the sum of its proper divisors (1524978948).

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

1143323052 is a wasteful number, since it uses less digits than its factorization.

1143323052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19585 (or 19583 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1143323052 is about 33813.0603761328. The cubic root of 1143323052 is about 1045.6579731794.

Adding to 1143323052 its reverse (2503233411), we get a palindrome (3646556463).

The spelling of 1143323052 in words is "one billion, one hundred forty-three million, three hundred twenty-three thousand, fifty-two".