1402043443 has 2 divisors, whose sum is σ = 1402043444. Its totient is φ = 1402043442.

The previous prime is 1402043393. The next prime is 1402043471. The reversal of 1402043443 is 3443402041.

It is a strong prime.

It is an emirp because it is prime and its reverse (3443402041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1402043443 - 2⁹ = 1402042931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402043143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701021721 + 701021722.

It is an arithmetic number, because the mean of its divisors is an integer number (701021722).

Almost surely, 2^1402043443 is an apocalyptic number.

1402043443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402043443 is an equidigital number, since it uses as much as digits as its factorization.

1402043443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1402043443 is about 37443.8705664893. The cubic root of 1402043443 is about 1119.2329577441.

Adding to 1402043443 its reverse (3443402041), we get a palindrome (4845445484).

The spelling of 1402043443 in words is "one billion, four hundred two million, forty-three thousand, four hundred forty-three".