318877200423 has 12 divisors (see below), whose sum is σ = 466149804120. Its totient is φ = 210023537136.

The previous prime is 318877200407. The next prime is 318877200449. The reversal of 318877200423 is 324002778813.

318877200423 is a `hidden beast` number, since 3 + 18 + 8 + 7 + 7 + 200 + 423 = 666.

It is not a de Polignac number, because 318877200423 - 2⁴ = 318877200407 is a prime.

It is a super-2 number, since 2×318877200423² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318877200463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213437808 + ... + 213439301.

It is an arithmetic number, because the mean of its divisors is an integer number (38845817010).

Almost surely, 2^318877200423 is an apocalyptic number.

318877200423 is a deficient number, since it is larger than the sum of its proper divisors (147272603697).

318877200423 is a wasteful number, since it uses less digits than its factorization.

318877200423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426877198 (or 426877195 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 318877200423 in words is "three hundred eighteen billion, eight hundred seventy-seven million, two hundred thousand, four hundred twenty-three".