402344003 has 2 divisors, whose sum is σ = 402344004. Its totient is φ = 402344002.

The previous prime is 402343993. The next prime is 402344011. The reversal of 402344003 is 300443204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402344003 - 2⁴ = 402343987 is a prime.

It is not a weakly prime, because it can be changed into another prime (402344903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201172001 + 201172002.

It is an arithmetic number, because the mean of its divisors is an integer number (201172002).

Almost surely, 2^402344003 is an apocalyptic number.

402344003 is a deficient number, since it is larger than the sum of its proper divisors (1).

402344003 is an equidigital number, since it uses as much as digits as its factorization.

402344003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 402344003 is about 20058.5144764013. The cubic root of 402344003 is about 738.2427276925.

Adding to 402344003 its reverse (300443204), we get a palindrome (702787207).

The spelling of 402344003 in words is "four hundred two million, three hundred forty-four thousand, three".