103503523354423 has 16 divisors (see below), whose sum is σ = 106384451944320. Its totient is φ = 100644195478176.

The previous prime is 103503523354397. The next prime is 103503523354477. The reversal of 103503523354423 is 324453325305301.

It is a cyclic number.

It is not a de Polignac number, because 103503523354423 - 2¹⁷ = 103503523223351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103503523354423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103503523354493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144779736 + ... + 145492882.

It is an arithmetic number, because the mean of its divisors is an integer number (6649028246520).

Almost surely, 2^{103503523354423} is an apocalyptic number.

103503523354423 is a deficient number, since it is larger than the sum of its proper divisors (2880928589897).

103503523354423 is a wasteful number, since it uses less digits than its factorization.

103503523354423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728286.

The product of its (nonzero) digits is 1944000, while the sum is 43.

Adding to 103503523354423 its reverse (324453325305301), we get a palindrome (427956848659724).

The spelling of 103503523354423 in words is "one hundred three trillion, five hundred three billion, five hundred twenty-three million, three hundred fifty-four thousand, four hundred twenty-three".