13002123021023 has 4 divisors (see below), whose sum is σ = 13006174792080. Its totient is φ = 12998071249968.

The previous prime is 13002123021001. The next prime is 13002123021067. The reversal of 13002123021023 is 32012032120031.

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 13002123021023 - 2¹⁶ = 13002122955487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13002123020986 and 13002123021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13002123021623) 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, 2025880715 + ... + 2025887132.

It is an arithmetic number, because the mean of its divisors is an integer number (3251543698020).

Almost surely, 2^{13002123021023} is an apocalyptic number.

13002123021023 is a deficient number, since it is larger than the sum of its proper divisors (4051771057).

13002123021023 is an equidigital number, since it uses as much as digits as its factorization.

13002123021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051771056.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13002123021023 its reverse (32012032120031), we get a palindrome (45014155141054).

The spelling of 13002123021023 in words is "thirteen trillion, two billion, one hundred twenty-three million, twenty-one thousand, twenty-three".