4172640523 has 8 divisors (see below), whose sum is σ = 4242297920. Its totient is φ = 4103023680.

The previous prime is 4172640503. The next prime is 4172640569. The reversal of 4172640523 is 3250462714.

4172640523 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4172640523 - 2⁹ = 4172640011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4172640503) 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, 254158 + ... + 270076.

It is an arithmetic number, because the mean of its divisors is an integer number (530287240).

Almost surely, 2^4172640523 is an apocalyptic number.

4172640523 is a deficient number, since it is larger than the sum of its proper divisors (69657397).

4172640523 is a wasteful number, since it uses less digits than its factorization.

4172640523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20277.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 4172640523 is about 64595.9791550527. The cubic root of 4172640523 is about 1609.9176330944.

The spelling of 4172640523 in words is "four billion, one hundred seventy-two million, six hundred forty thousand, five hundred twenty-three".