163235425616423 has 16 divisors (see below), whose sum is σ = 168897702355200. Its totient is φ = 157654245328320.

The previous prime is 163235425616383. The next prime is 163235425616449. The reversal of 163235425616423 is 324616524532361.

It is a cyclic number.

It is not a de Polignac number, because 163235425616423 - 2³⁴ = 163218245747239 is a prime.

It is a super-2 number, since 2×163235425616423² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163235425606423) 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, 5835368 + ... + 18987426.

It is an arithmetic number, because the mean of its divisors is an integer number (10556106397200).

Almost surely, 2^{163235425616423} is an apocalyptic number.

163235425616423 is a deficient number, since it is larger than the sum of its proper divisors (5662276738777).

163235425616423 is a wasteful number, since it uses less digits than its factorization.

163235425616423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13155142.

The product of its digits is 18662400, while the sum is 53.

The spelling of 163235425616423 in words is "one hundred sixty-three trillion, two hundred thirty-five billion, four hundred twenty-five million, six hundred sixteen thousand, four hundred twenty-three".