1402320043 has 2 divisors, whose sum is σ = 1402320044. Its totient is φ = 1402320042.

The previous prime is 1402320037. The next prime is 1402320067. The reversal of 1402320043 is 3400232041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1402320043 - 2⁵ = 1402320011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1402320043.

It is not a weakly prime, because it can be changed into another prime (1402320013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701160021 + 701160022.

It is an arithmetic number, because the mean of its divisors is an integer number (701160022).

Almost surely, 2^1402320043 is an apocalyptic number.

1402320043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402320043 is an equidigital number, since it uses as much as digits as its factorization.

1402320043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1402320043 is about 37447.5639127567. The cubic root of 1402320043 is about 1119.3065549595.

Adding to 1402320043 its reverse (3400232041), we get a palindrome (4802552084).

The spelling of 1402320043 in words is "one billion, four hundred two million, three hundred twenty thousand, forty-three".