10203423443103 has 32 divisors (see below), whose sum is σ = 15320406988800. Its totient is φ = 5984291174400.

The previous prime is 10203423443099. The next prime is 10203423443113. The reversal of 10203423443103 is 30134432430201.

It is a happy number.

It is not a de Polignac number, because 10203423443103 - 2² = 10203423443099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203423443113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86905543 + ... + 87022871.

It is an arithmetic number, because the mean of its divisors is an integer number (478762718400).

Almost surely, 2^{10203423443103} is an apocalyptic number.

10203423443103 is a deficient number, since it is larger than the sum of its proper divisors (5116983545697).

10203423443103 is a wasteful number, since it uses less digits than its factorization.

10203423443103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202383.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 10203423443103 its reverse (30134432430201), we get a palindrome (40337855873304).

The spelling of 10203423443103 in words is "ten trillion, two hundred three billion, four hundred twenty-three million, four hundred forty-three thousand, one hundred three".