104243042243 has 4 divisors (see below), whose sum is σ = 106460979360. Its totient is φ = 102025105128.

The previous prime is 104243042219. The next prime is 104243042261. The reversal of 104243042243 is 342240342401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104243042243 - 2⁶ = 104243042179 is a prime.

It is a super-2 number, since 2×104243042243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104243042843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108968488 + ... + 1108968581.

It is an arithmetic number, because the mean of its divisors is an integer number (26615244840).

Almost surely, 2^104243042243 is an apocalyptic number.

104243042243 is a deficient number, since it is larger than the sum of its proper divisors (2217937117).

104243042243 is an equidigital number, since it uses as much as digits as its factorization.

104243042243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217937116.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 104243042243 its reverse (342240342401), we get a palindrome (446483384644).

The spelling of 104243042243 in words is "one hundred four billion, two hundred forty-three million, forty-two thousand, two hundred forty-three".