13203121123103 has 8 divisors (see below), whose sum is σ = 13238163703728. Its totient is φ = 13168118343744.

The previous prime is 13203121123099. The next prime is 13203121123111. The reversal of 13203121123103 is 30132112130231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13203121123103 - 2² = 13203121123099 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 (13203121173103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9285926 + ... + 10612947.

It is an arithmetic number, because the mean of its divisors is an integer number (1654770462966).

Almost surely, 2^{13203121123103} is an apocalyptic number.

13203121123103 is a deficient number, since it is larger than the sum of its proper divisors (35042580625).

13203121123103 is a wasteful number, since it uses less digits than its factorization.

13203121123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19900633.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13203121123103 its reverse (30132112130231), we get a palindrome (43335233253334).

The spelling of 13203121123103 in words is "thirteen trillion, two hundred three billion, one hundred twenty-one million, one hundred twenty-three thousand, one hundred three".