104342543 has 4 divisors (see below), whose sum is σ = 104445960. Its totient is φ = 104239128.

The previous prime is 104342533. The next prime is 104342569. The reversal of 104342543 is 345243401.

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 104342543 - 2¹⁶ = 104277007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104342533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50180 + ... + 52217.

It is an arithmetic number, because the mean of its divisors is an integer number (26111490).

Almost surely, 2^104342543 is an apocalyptic number.

104342543 is a deficient number, since it is larger than the sum of its proper divisors (103417).

104342543 is a wasteful number, since it uses less digits than its factorization.

104342543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103416.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 104342543 is about 10214.8197732510. The cubic root of 104342543 is about 470.7826750903.

Adding to 104342543 its reverse (345243401), we get a palindrome (449585944).

The spelling of 104342543 in words is "one hundred four million, three hundred forty-two thousand, five hundred forty-three".