1323773232 has 80 divisors (see below), whose sum is σ = 3584853888. Its totient is φ = 420456960.

The previous prime is 1323773207. The next prime is 1323773233. The reversal of 1323773232 is 2323773231.

It is a junction number, because it is equal to n+sod(n) for n = 1323773193 and 1323773202.

It is not an unprimeable number, because it can be changed into a prime (1323773233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76803 + ... + 92445.

Almost surely, 2^1323773232 is an apocalyptic number.

1323773232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323773232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792426944).

1323773232 is an abundant number, since it is smaller than the sum of its proper divisors (2261080656).

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

1323773232 is a wasteful number, since it uses less digits than its factorization.

1323773232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15738 (or 15732 counting only the distinct ones).

The product of its digits is 31752, while the sum is 33.

The square root of 1323773232 is about 36383.6945897472. The cubic root of 1323773232 is about 1098.0055407632.

Subtracting 1323773232 from its reverse (2323773231), we obtain a palindrome (999999999).

The spelling of 1323773232 in words is "one billion, three hundred twenty-three million, seven hundred seventy-three thousand, two hundred thirty-two".