641103520177223 has 8 divisors (see below), whose sum is σ = 641351367795600. Its totient is φ = 640855674757440.

The previous prime is 641103520177199. The next prime is 641103520177231. The reversal of 641103520177223 is 322771025301146.

It is a happy number.

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 641103520177223 - 2⁸ = 641103520176967 is a prime.

It is a super-3 number, since 3×641103520177223³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641103520177273) 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, 816978053 + ... + 817762401.

It is an arithmetic number, because the mean of its divisors is an integer number (80168920974450).

Almost surely, 2^{641103520177223} is an apocalyptic number.

641103520177223 is a deficient number, since it is larger than the sum of its proper divisors (247847618377).

641103520177223 is a wasteful number, since it uses less digits than its factorization.

641103520177223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099297.

The product of its (nonzero) digits is 423360, while the sum is 44.

Adding to 641103520177223 its reverse (322771025301146), we get a palindrome (963874545478369).

The spelling of 641103520177223 in words is "six hundred forty-one trillion, one hundred three billion, five hundred twenty million, one hundred seventy-seven thousand, two hundred twenty-three".