641035423 has 8 divisors (see below), whose sum is σ = 733294592. Its totient is φ = 548946936.

The previous prime is 641035403. The next prime is 641035427. The reversal of 641035423 is 324530146.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-641035423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 641035391 and 641035400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641035427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34515 + ... + 49732.

It is an arithmetic number, because the mean of its divisors is an integer number (91661824).

Almost surely, 2^641035423 is an apocalyptic number.

641035423 is a deficient number, since it is larger than the sum of its proper divisors (92259169).

641035423 is a wasteful number, since it uses less digits than its factorization.

641035423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85341.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 641035423 is about 25318.6773548699. The cubic root of 641035423 is about 862.2383654512.

Adding to 641035423 its reverse (324530146), we get a palindrome (965565569).

The spelling of 641035423 in words is "six hundred forty-one million, thirty-five thousand, four hundred twenty-three".