104143021243 has 2 divisors, whose sum is σ = 104143021244. Its totient is φ = 104143021242.

The previous prime is 104143021201. The next prime is 104143021247. The reversal of 104143021243 is 342120341401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104143021243 - 2²¹ = 104140924091 is a prime.

It is a super-3 number, since 3×104143021243³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (104143021247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52071510621 + 52071510622.

It is an arithmetic number, because the mean of its divisors is an integer number (52071510622).

Almost surely, 2^104143021243 is an apocalyptic number.

104143021243 is a deficient number, since it is larger than the sum of its proper divisors (1).

104143021243 is an equidigital number, since it uses as much as digits as its factorization.

104143021243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 104143021243 its reverse (342120341401), we get a palindrome (446263362644).

The spelling of 104143021243 in words is "one hundred four billion, one hundred forty-three million, twenty-one thousand, two hundred forty-three".