344323134505 has 32 divisors (see below), whose sum is σ = 486116064000. Its totient is φ = 234017715456.

The previous prime is 344323134481. The next prime is 344323134521. The reversal of 344323134505 is 505431323443.

It is a happy number.

It is not a de Polignac number, because 344323134505 - 2²¹ = 344321037353 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694575 + ... + 1082164.

It is an arithmetic number, because the mean of its divisors is an integer number (15191127000).

Almost surely, 2^344323134505 is an apocalyptic number.

344323134505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

344323134505 is a deficient number, since it is larger than the sum of its proper divisors (141792929495).

344323134505 is a wasteful number, since it uses less digits than its factorization.

344323134505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776878 (or 1776864 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 344323134505 its reverse (505431323443), we get a palindrome (849754457948).

The spelling of 344323134505 in words is "three hundred forty-four billion, three hundred twenty-three million, one hundred thirty-four thousand, five hundred five".