103421042443 has 4 divisors (see below), whose sum is σ = 103468507240. Its totient is φ = 103373577648.

The previous prime is 103421042441. The next prime is 103421042477. The reversal of 103421042443 is 344240124301.

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 103421042443 - 2¹ = 103421042441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103421042441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23729130 + ... + 23733487.

It is an arithmetic number, because the mean of its divisors is an integer number (25867126810).

Almost surely, 2^103421042443 is an apocalyptic number.

103421042443 is a deficient number, since it is larger than the sum of its proper divisors (47464797).

103421042443 is an equidigital number, since it uses as much as digits as its factorization.

103421042443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47464796.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 103421042443 its reverse (344240124301), we get a palindrome (447661166744).

The spelling of 103421042443 in words is "one hundred three billion, four hundred twenty-one million, forty-two thousand, four hundred forty-three".