402324343 has 2 divisors, whose sum is σ = 402324344. Its totient is φ = 402324342.

The previous prime is 402324331. The next prime is 402324407. The reversal of 402324343 is 343423204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402324343 - 2⁵ = 402324311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402321343) 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, 201162171 + 201162172.

It is an arithmetic number, because the mean of its divisors is an integer number (201162172).

Almost surely, 2^402324343 is an apocalyptic number.

402324343 is a deficient number, since it is larger than the sum of its proper divisors (1).

402324343 is an equidigital number, since it uses as much as digits as its factorization.

402324343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 402324343 is about 20058.0244042129. The cubic root of 402324343 is about 738.2307030831.

Adding to 402324343 its reverse (343423204), we get a palindrome (745747547).

The spelling of 402324343 in words is "four hundred two million, three hundred twenty-four thousand, three hundred forty-three".