1440000323 has 2 divisors, whose sum is σ = 1440000324. Its totient is φ = 1440000322.

The previous prime is 1440000311. The next prime is 1440000371. The reversal of 1440000323 is 3230000441.

It is a weak prime.

It is an emirp because it is prime and its reverse (3230000441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1440000323 - 2⁶ = 1440000259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1440800323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720000161 + 720000162.

It is an arithmetic number, because the mean of its divisors is an integer number (720000162).

Almost surely, 2^1440000323 is an apocalyptic number.

1440000323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440000323 is an equidigital number, since it uses as much as digits as its factorization.

1440000323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1440000323 is about 37947.3361779190. The cubic root of 1440000323 is about 1129.2433190891.

Adding to 1440000323 its reverse (3230000441), we get a palindrome (4670000764).

The spelling of 1440000323 in words is "one billion, four hundred forty million, three hundred twenty-three", and thus it is an aban number.