17447123053 has 4 divisors (see below), whose sum is σ = 17776314108. Its totient is φ = 17117932000.

The previous prime is 17447123039. The next prime is 17447123063. The reversal of 17447123053 is 35032174471.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15228053604 + 2219069449 = 123402^2 + 47107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17447123053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17447123033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164595448 + ... + 164595553.

It is an arithmetic number, because the mean of its divisors is an integer number (4444078527).

Almost surely, 2^17447123053 is an apocalyptic number.

It is an amenable number.

17447123053 is a deficient number, since it is larger than the sum of its proper divisors (329191055).

17447123053 is an equidigital number, since it uses as much as digits as its factorization.

17447123053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329191054.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 17447123053 in words is "seventeen billion, four hundred forty-seven million, one hundred twenty-three thousand, fifty-three".