1320423232 has 28 divisors (see below), whose sum is σ = 2633540580. Its totient is φ = 656854016.

The previous prime is 1320423227. The next prime is 1320423233. The reversal of 1320423232 is 2323240231.

It can be written as a sum of positive squares in 2 ways, for example, as 1297152256 + 23270976 = 36016^2 + 4824^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320423233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39757 + ... + 64972.

Almost surely, 2^1320423232 is an apocalyptic number.

It is an amenable number.

1320423232 is a deficient number, since it is larger than the sum of its proper divisors (1313117348).

1320423232 is a wasteful number, since it uses less digits than its factorization.

1320423232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104938 (or 104928 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1320423232 is about 36337.6283210669. The cubic root of 1320423232 is about 1097.0785376377.

Adding to 1320423232 its reverse (2323240231), we get a palindrome (3643663463).

The spelling of 1320423232 in words is "one billion, three hundred twenty million, four hundred twenty-three thousand, two hundred thirty-two".