163423001313 has 24 divisors (see below), whose sum is σ = 277323883200. Its totient is φ = 91425454560.

The previous prime is 163423001311. The next prime is 163423001341. The reversal of 163423001313 is 313100324361.

163423001313 is a `hidden beast` number, since 1 + 6 + 3 + 42 + 300 + 1 + 313 = 666.

It is not a de Polignac number, because 163423001313 - 2¹ = 163423001311 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163423001311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63488613 + ... + 63491186.

It is an arithmetic number, because the mean of its divisors is an integer number (11555161800).

Almost surely, 2^163423001313 is an apocalyptic number.

163423001313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

163423001313 is a deficient number, since it is larger than the sum of its proper divisors (113900881887).

163423001313 is a wasteful number, since it uses less digits than its factorization.

163423001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126979829 (or 126979826 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 163423001313 its reverse (313100324361), we get a palindrome (476523325674).

The spelling of 163423001313 in words is "one hundred sixty-three billion, four hundred twenty-three million, one thousand, three hundred thirteen".