1152323244 has 72 divisors (see below), whose sum is σ = 2985785712. Its totient is φ = 374574720.

The previous prime is 1152323243. The next prime is 1152323251. The reversal of 1152323244 is 4423232511.

It is a super-3 number, since 3×1152323244³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1152323243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328339 + ... + 331829.

It is an arithmetic number, because the mean of its divisors is an integer number (41469246).

Almost surely, 2^1152323244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152323244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492892856).

1152323244 is an abundant number, since it is smaller than the sum of its proper divisors (1833462468).

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

1152323244 is a wasteful number, since it uses less digits than its factorization.

1152323244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727 (or 3722 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1152323244 is about 33945.8869968071. The cubic root of 1152323244 is about 1048.3945970018.

Adding to 1152323244 its reverse (4423232511), we get a palindrome (5575555755).

The spelling of 1152323244 in words is "one billion, one hundred fifty-two million, three hundred twenty-three thousand, two hundred forty-four".