13323121023103 has 4 divisors (see below), whose sum is σ = 14106834024480. Its totient is φ = 12539408021728.

The previous prime is 13323121023083. The next prime is 13323121023109. The reversal of 13323121023103 is 30132012132331.

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 13323121023103 - 2²¹ = 13323118925951 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 (13323121023109) 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, 391856500663 + ... + 391856500696.

It is an arithmetic number, because the mean of its divisors is an integer number (3526708506120).

Almost surely, 2^{13323121023103} is an apocalyptic number.

13323121023103 is a deficient number, since it is larger than the sum of its proper divisors (783713001377).

13323121023103 is an equidigital number, since it uses as much as digits as its factorization.

13323121023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783713001376.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13323121023103 its reverse (30132012132331), we get a palindrome (43455133155434).

The spelling of 13323121023103 in words is "thirteen trillion, three hundred twenty-three billion, one hundred twenty-one million, twenty-three thousand, one hundred three".