1323433056 has 48 divisors (see below), whose sum is σ = 3789834048. Its totient is φ = 401040000.

The previous prime is 1323433021. The next prime is 1323433073. The reversal of 1323433056 is 6503343231.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625570 + ... + 627681.

It is an arithmetic number, because the mean of its divisors is an integer number (78954876).

Almost surely, 2^1323433056 is an apocalyptic number.

1323433056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1323433056 is an abundant number, since it is smaller than the sum of its proper divisors (2466400992).

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

1323433056 is a wasteful number, since it uses less digits than its factorization.

1323433056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253275 (or 1253267 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 1323433056 is about 36379.0194480280. The cubic root of 1323433056 is about 1097.9114795542.

Adding to 1323433056 its reverse (6503343231), we get a palindrome (7826776287).

The spelling of 1323433056 in words is "one billion, three hundred twenty-three million, four hundred thirty-three thousand, fifty-six".