1323545530 has 8 divisors (see below), whose sum is σ = 2382381972. Its totient is φ = 529418208.

The previous prime is 1323545513. The next prime is 1323545551. The reversal of 1323545530 is 355453231.

It can be written as a sum of positive squares in 2 ways, for example, as 1096470769 + 227074761 = 33113^2 + 15069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1323545492 and 1323545501.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 66177267 + ... + 66177286.

Almost surely, 2^1323545530 is an apocalyptic number.

1323545530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323545530 is a deficient number, since it is larger than the sum of its proper divisors (1058836442).

1323545530 is a wasteful number, since it uses less digits than its factorization.

1323545530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132354560.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 1323545530 is about 36380.5652787309. The cubic root of 1323545530 is about 1097.9425812401.

Adding to 1323545530 its reverse (355453231), we get a palindrome (1678998761).

The spelling of 1323545530 in words is "one billion, three hundred twenty-three million, five hundred forty-five thousand, five hundred thirty".