1432323209 has 2 divisors, whose sum is σ = 1432323210. Its totient is φ = 1432323208.

The previous prime is 1432323203. The next prime is 1432323223. The reversal of 1432323209 is 9023232341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1142642809 + 289680400 = 33803^2 + 17020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1432323209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1432323203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716161604 + 716161605.

It is an arithmetic number, because the mean of its divisors is an integer number (716161605).

Almost surely, 2^1432323209 is an apocalyptic number.

It is an amenable number.

1432323209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1432323209 is an equidigital number, since it uses as much as digits as its factorization.

1432323209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 1432323209 is about 37846.0461475172. The cubic root of 1432323209 is about 1127.2329533745.

The spelling of 1432323209 in words is "one billion, four hundred thirty-two million, three hundred twenty-three thousand, two hundred nine".