4253821159623 has 16 divisors (see below), whose sum is σ = 6614299180800. Its totient is φ = 2430754947768.

The previous prime is 4253821159603. The next prime is 4253821159639. The reversal of 4253821159623 is 3269511283524.

It is not a de Polignac number, because 4253821159623 - 2¹⁰ = 4253821158599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4253821159603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2066967465 + ... + 2066969522.

It is an arithmetic number, because the mean of its divisors is an integer number (413393698800).

Almost surely, 2^{4253821159623} is an apocalyptic number.

4253821159623 is a deficient number, since it is larger than the sum of its proper divisors (2360478021177).

4253821159623 is an equidigital number, since it uses as much as digits as its factorization.

4253821159623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133937011 (or 4133936997 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 51.

The spelling of 4253821159623 in words is "four trillion, two hundred fifty-three billion, eight hundred twenty-one million, one hundred fifty-nine thousand, six hundred twenty-three".