103243423243 has 4 divisors (see below), whose sum is σ = 103252009608. Its totient is φ = 103234836880.

The previous prime is 103243423219. The next prime is 103243423273. The reversal of 103243423243 is 342324342301.

It is a happy number.

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 103243423243 - 2¹⁷ = 103243292171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103243423273) 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, 4275121 + ... + 4299202.

It is an arithmetic number, because the mean of its divisors is an integer number (25813002402).

Almost surely, 2^103243423243 is an apocalyptic number.

103243423243 is a deficient number, since it is larger than the sum of its proper divisors (8586365).

103243423243 is an equidigital number, since it uses as much as digits as its factorization.

103243423243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8586364.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 103243423243 its reverse (342324342301), we get a palindrome (445567765544).

The spelling of 103243423243 in words is "one hundred three billion, two hundred forty-three million, four hundred twenty-three thousand, two hundred forty-three".