1323432001 has 2 divisors, whose sum is σ = 1323432002. Its totient is φ = 1323432000.

The previous prime is 1323431981. The next prime is 1323432083. The reversal of 1323432001 is 1002343231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1040385025 + 283046976 = 32255^2 + 16824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323432001 - 2²³ = 1315043393 is a prime.

It is a super-2 number, since 2×1323432001² = 3502944522541728002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1323432001.

It is not a weakly prime, because it can be changed into another prime (1323438001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661716000 + 661716001.

It is an arithmetic number, because the mean of its divisors is an integer number (661716001).

Almost surely, 2^1323432001 is an apocalyptic number.

It is an amenable number.

1323432001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323432001 is an equidigital number, since it uses as much as digits as its factorization.

1323432001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1323432001 is about 36379.0049479092. The cubic root of 1323432001 is about 1097.9111878137.

Adding to 1323432001 its reverse (1002343231), we get a palindrome (2325775232).

The spelling of 1323432001 in words is "one billion, three hundred twenty-three million, four hundred thirty-two thousand, one".