1402343 has 4 divisors (see below), whose sum is σ = 1405320. Its totient is φ = 1399368.

The previous prime is 1402309. The next prime is 1402361. The reversal of 1402343 is 3432041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3432041 = 31 ⋅110711.

It is a cyclic number.

It is not a de Polignac number, because 1402343 - 2⁸ = 1402087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608 + ... + 1781.

It is an arithmetic number, because the mean of its divisors is an integer number (351330).

2^1402343 is an apocalyptic number.

1402343 is a deficient number, since it is larger than the sum of its proper divisors (2977).

1402343 is an equidigital number, since it uses as much as digits as its factorization.

1402343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976.

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

The square root of 1402343 is about 1184.2056409256. The cubic root of 1402343 is about 111.9312662881.

Adding to 1402343 its reverse (3432041), we get a palindrome (4834384).

The spelling of 1402343 in words is "one million, four hundred two thousand, three hundred forty-three".