1323005532 has 24 divisors (see below), whose sum is σ = 3099936000. Its totient is φ = 439155696.

The previous prime is 1323005513. The next prime is 1323005539. The reversal of 1323005532 is 2355003231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323005539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227782 + ... + 233517.

It is an arithmetic number, because the mean of its divisors is an integer number (129164000).

Almost surely, 2^1323005532 is an apocalyptic number.

1323005532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323005532 is an abundant number, since it is smaller than the sum of its proper divisors (1776930468).

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

1323005532 is a wasteful number, since it uses less digits than its factorization.

1323005532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461545 (or 461543 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 1323005532 is about 36373.1430041452. The cubic root of 1323005532 is about 1097.7932431090.

Adding to 1323005532 its reverse (2355003231), we get a palindrome (3678008763).

The spelling of 1323005532 in words is "one billion, three hundred twenty-three million, five thousand, five hundred thirty-two".