1143324234 has 64 divisors (see below), whose sum is σ = 2770078080. Its totient is φ = 351774576.

The previous prime is 1143324223. The next prime is 1143324311. The reversal of 1143324234 is 4324233411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1143324198 and 1143324207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46809 + ... + 66915.

It is an arithmetic number, because the mean of its divisors is an integer number (43282470).

Almost surely, 2^1143324234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143324234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1385039040).

1143324234 is an abundant number, since it is smaller than the sum of its proper divisors (1626753846).

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

1143324234 is an equidigital number, since it uses as much as digits as its factorization.

1143324234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20143 (or 20125 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1143324234 is about 33813.0778545817. The cubic root of 1143324234 is about 1045.6583335229.

Adding to 1143324234 its reverse (4324233411), we get a palindrome (5467557645).

The spelling of 1143324234 in words is "one billion, one hundred forty-three million, three hundred twenty-four thousand, two hundred thirty-four".