1404321343 has 2 divisors, whose sum is σ = 1404321344. Its totient is φ = 1404321342.

The previous prime is 1404321341. The next prime is 1404321349. The reversal of 1404321343 is 3431234041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1404321343 - 2¹ = 1404321341 is a prime.

Together with 1404321341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1404321341) 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, 702160671 + 702160672.

It is an arithmetic number, because the mean of its divisors is an integer number (702160672).

Almost surely, 2^1404321343 is an apocalyptic number.

1404321343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404321343 is an equidigital number, since it uses as much as digits as its factorization.

1404321343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1404321343 is about 37474.2757501729. The cubic root of 1404321343 is about 1119.8387690422.

Adding to 1404321343 its reverse (3431234041), we get a palindrome (4835555384).

The spelling of 1404321343 in words is "one billion, four hundred four million, three hundred twenty-one thousand, three hundred forty-three".