13203111113023 has 16 divisors (see below), whose sum is σ = 14327883241056. Its totient is φ = 12093939486720.

The previous prime is 13203111112999. The next prime is 13203111113033. The reversal of 13203111113023 is 32031111130231.

It is not a de Polignac number, because 13203111113023 - 2²¹ = 13203109015871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13203111112985 and 13203111113003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13203111113033) 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 15 ways as a sum of consecutive naturals, for example, 43337715 + ... + 43641307.

It is an arithmetic number, because the mean of its divisors is an integer number (895492702566).

Almost surely, 2^{13203111113023} is an apocalyptic number.

13203111113023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13203111113023 is a deficient number, since it is larger than the sum of its proper divisors (1124772128033).

13203111113023 is a wasteful number, since it uses less digits than its factorization.

13203111113023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329274.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13203111113023 its reverse (32031111130231), we get a palindrome (45234222243254).

The spelling of 13203111113023 in words is "thirteen trillion, two hundred three billion, one hundred eleven million, one hundred thirteen thousand, twenty-three".