1005205423334 has 16 divisors (see below), whose sum is σ = 1728146868000. Its totient is φ = 429567931584.

The previous prime is 1005205423331. The next prime is 1005205423349. The reversal of 1005205423334 is 4333245025001.

It is a self number, because there is not a number n which added to its sum of digits gives 1005205423334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005205423331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102860999 + ... + 102870770.

It is an arithmetic number, because the mean of its divisors is an integer number (108009179250).

Almost surely, 2^{1005205423334} is an apocalyptic number.

1005205423334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1005205423334 is a deficient number, since it is larger than the sum of its proper divisors (722941444666).

1005205423334 is a wasteful number, since it uses less digits than its factorization.

1005205423334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205732127.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 1005205423334 in words is "one trillion, five billion, two hundred five million, four hundred twenty-three thousand, three hundred thirty-four".