403434323243 has 16 divisors (see below), whose sum is σ = 490642675200. Its totient is φ = 323824127616.

The previous prime is 403434323221. The next prime is 403434323309. The reversal of 403434323243 is 342323434304.

It is a cyclic number.

It is not a de Polignac number, because 403434323243 - 2³⁶ = 334714846507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403434323443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8494421 + ... + 8541782.

It is an arithmetic number, because the mean of its divisors is an integer number (30665167200).

Almost surely, 2^403434323243 is an apocalyptic number.

403434323243 is a deficient number, since it is larger than the sum of its proper divisors (87208351957).

403434323243 is a wasteful number, since it uses less digits than its factorization.

403434323243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17036426.

The product of its (nonzero) digits is 248832, while the sum is 35.

Adding to 403434323243 its reverse (342323434304), we get a palindrome (745757757547).

The spelling of 403434323243 in words is "four hundred three billion, four hundred thirty-four million, three hundred twenty-three thousand, two hundred forty-three".