1002403343 has 4 divisors (see below), whose sum is σ = 1003817880. Its totient is φ = 1000988808.

The previous prime is 1002403331. The next prime is 1002403361. The reversal of 1002403343 is 3433042001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002403343 - 2⁴ = 1002403327 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 (1002403373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706205 + ... + 707622.

It is an arithmetic number, because the mean of its divisors is an integer number (250954470).

Almost surely, 2^1002403343 is an apocalyptic number.

1002403343 is a deficient number, since it is larger than the sum of its proper divisors (1414537).

1002403343 is an equidigital number, since it uses as much as digits as its factorization.

1002403343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414536.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1002403343 is about 31660.7539865999. The cubic root of 1002403343 is about 1000.8004734047.

Adding to 1002403343 its reverse (3433042001), we get a palindrome (4435445344).

The spelling of 1002403343 in words is "one billion, two million, four hundred three thousand, three hundred forty-three".