104143312251243 has 16 divisors (see below), whose sum is σ = 154286557401600. Its totient is φ = 69428798837640.

The previous prime is 104143312251241. The next prime is 104143312251257. The reversal of 104143312251243 is 342152213341401.

104143312251243 is a `hidden beast` number, since 1 + 0 + 4 + 14 + 3 + 3 + 122 + 512 + 4 + 3 = 666.

It is not a de Polignac number, because 104143312251243 - 2¹ = 104143312251241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104143312251198 and 104143312251207.

It is not an unprimeable number, because it can be changed into a prime (104143312251241) 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, 34654258 + ... + 37539368.

It is an arithmetic number, because the mean of its divisors is an integer number (9642909837600).

Almost surely, 2^{104143312251243} is an apocalyptic number.

104143312251243 is a deficient number, since it is larger than the sum of its proper divisors (50143245150357).

104143312251243 is a wasteful number, since it uses less digits than its factorization.

104143312251243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222039 (or 4222033 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 104143312251243 its reverse (342152213341401), we get a palindrome (446295525592644).

The spelling of 104143312251243 in words is "one hundred four trillion, one hundred forty-three billion, three hundred twelve million, two hundred fifty-one thousand, two hundred forty-three".