1445433323 has 2 divisors, whose sum is σ = 1445433324. Its totient is φ = 1445433322.

The previous prime is 1445433289. The next prime is 1445433329. The reversal of 1445433323 is 3233345441.

It is a strong prime.

It is an emirp because it is prime and its reverse (3233345441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445433323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1445433323.

It is not a weakly prime, because it can be changed into another prime (1445433329) by changing a digit.

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 as a sum of consecutive naturals, namely, 722716661 + 722716662.

It is an arithmetic number, because the mean of its divisors is an integer number (722716662).

Almost surely, 2^1445433323 is an apocalyptic number.

1445433323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445433323 is an equidigital number, since it uses as much as digits as its factorization.

1445433323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 32.

The square root of 1445433323 is about 38018.8548354629. The cubic root of 1445433323 is about 1130.6617167448.

Adding to 1445433323 its reverse (3233345441), we get a palindrome (4678778764).

The spelling of 1445433323 in words is "one billion, four hundred forty-five million, four hundred thirty-three thousand, three hundred twenty-three".