402344243303 has 2 divisors, whose sum is σ = 402344243304. Its totient is φ = 402344243302.

The previous prime is 402344243299. The next prime is 402344243339. The reversal of 402344243303 is 303342443204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402344243303 - 2² = 402344243299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402344243303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402344263303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201172121651 + 201172121652.

It is an arithmetic number, because the mean of its divisors is an integer number (201172121652).

Almost surely, 2^402344243303 is an apocalyptic number.

402344243303 is a deficient number, since it is larger than the sum of its proper divisors (1).

402344243303 is an equidigital number, since it uses as much as digits as its factorization.

402344243303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 402344243303 its reverse (303342443204), we get a palindrome (705686686507).

The spelling of 402344243303 in words is "four hundred two billion, three hundred forty-four million, two hundred forty-three thousand, three hundred three".