13001323203123 has 32 divisors (see below), whose sum is σ = 18234486673920. Its totient is φ = 8232399463680.

The previous prime is 13001323203091. The next prime is 13001323203181. The reversal of 13001323203123 is 32130232310031.

It is not a de Polignac number, because 13001323203123 - 2⁵ = 13001323203091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13001323203093 and 13001323203102.

It is not an unprimeable number, because it can be changed into a prime (13001323203023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9054088 + ... + 10391301.

It is an arithmetic number, because the mean of its divisors is an integer number (569827708560).

Almost surely, 2^{13001323203123} is an apocalyptic number.

13001323203123 is a deficient number, since it is larger than the sum of its proper divisors (5233163470797).

13001323203123 is a wasteful number, since it uses less digits than its factorization.

13001323203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19445579.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13001323203123 its reverse (32130232310031), we get a palindrome (45131555513154).

The spelling of 13001323203123 in words is "thirteen trillion, one billion, three hundred twenty-three million, two hundred three thousand, one hundred twenty-three".