423547086173 has 8 divisors (see below), whose sum is σ = 440376286680. Its totient is φ = 406866160960.

The previous prime is 423547086073. The next prime is 423547086283. The reversal of 423547086173 is 371680745324.

It can be written as a sum of positive squares in 4 ways, for example, as 166906565764 + 256640520409 = 408542^2 + 506597^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423547086173 - 2⁸ = 423547085917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423547086073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37062998 + ... + 37074423.

It is an arithmetic number, because the mean of its divisors is an integer number (55047035835).

Almost surely, 2^423547086173 is an apocalyptic number.

It is an amenable number.

423547086173 is a deficient number, since it is larger than the sum of its proper divisors (16829200507).

423547086173 is a wasteful number, since it uses less digits than its factorization.

423547086173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74137647.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 423547086173 in words is "four hundred twenty-three billion, five hundred forty-seven million, eighty-six thousand, one hundred seventy-three".