1323132405 has 16 divisors (see below), whose sum is σ = 2419442304. Its totient is φ = 604860480.

The previous prime is 1323132401. The next prime is 1323132413. The reversal of 1323132405 is 5042313231.

It is not a de Polignac number, because 1323132405 - 2² = 1323132401 is a prime.

It is a super-2 number, since 2×1323132405² = 3501358722322168050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323132401) 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, 6300526 + ... + 6300735.

It is an arithmetic number, because the mean of its divisors is an integer number (151215144).

Almost surely, 2^1323132405 is an apocalyptic number.

1323132405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1323132405 is a deficient number, since it is larger than the sum of its proper divisors (1096309899).

1323132405 is a wasteful number, since it uses less digits than its factorization.

1323132405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12601276.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1323132405 is about 36374.8870101338. The cubic root of 1323132405 is about 1097.8283338845.

Adding to 1323132405 its reverse (5042313231), we get a palindrome (6365445636).

The spelling of 1323132405 in words is "one billion, three hundred twenty-three million, one hundred thirty-two thousand, four hundred five".