13021023002123 has 8 divisors (see below), whose sum is σ = 13150348535280. Its totient is φ = 12891705400800.

The previous prime is 13021023002101. The next prime is 13021023002137. The reversal of 13021023002123 is 32120032012031.

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 13021023002123 - 2²⁴ = 13021006224907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13021023002095 and 13021023002104.

It is not an unprimeable number, because it can be changed into a prime (13021023092123) 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, 1344161 + ... + 5277197.

It is an arithmetic number, because the mean of its divisors is an integer number (1643793566910).

Almost surely, 2^{13021023002123} is an apocalyptic number.

13021023002123 is a deficient number, since it is larger than the sum of its proper divisors (129325533157).

13021023002123 is a wasteful number, since it uses less digits than its factorization.

13021023002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965917.

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

Adding to 13021023002123 its reverse (32120032012031), we get a palindrome (45141055014154).

The spelling of 13021023002123 in words is "thirteen trillion, twenty-one billion, twenty-three million, two thousand, one hundred twenty-three".