403342343 has 2 divisors, whose sum is σ = 403342344. Its totient is φ = 403342342.

The previous prime is 403342337. The next prime is 403342351. The reversal of 403342343 is 343243304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 403342343 - 2¹⁰ = 403341319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403342943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201671171 + 201671172.

It is an arithmetic number, because the mean of its divisors is an integer number (201671172).

Almost surely, 2^403342343 is an apocalyptic number.

403342343 is a deficient number, since it is larger than the sum of its proper divisors (1).

403342343 is an equidigital number, since it uses as much as digits as its factorization.

403342343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 26.

The square root of 403342343 is about 20083.3847495884. The cubic root of 403342343 is about 738.8528262557.

Adding to 403342343 its reverse (343243304), we get a palindrome (746585647).

The spelling of 403342343 in words is "four hundred three million, three hundred forty-two thousand, three hundred forty-three".