13021303110123 has 128 divisors (see below), whose sum is σ = 22351614050304. Its totient is φ = 6546754368000.

The previous prime is 13021303110097. The next prime is 13021303110161. The reversal of 13021303110123 is 32101130312031.

It is a happy number.

It is not a de Polignac number, because 13021303110123 - 2¹⁶ = 13021303044587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13021303110123.

It is not an unprimeable number, because it can be changed into a prime (13021303110323) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1076045773 + ... + 1076057873.

It is an arithmetic number, because the mean of its divisors is an integer number (174621984768).

Almost surely, 2^{13021303110123} is an apocalyptic number.

13021303110123 is a deficient number, since it is larger than the sum of its proper divisors (9330310940181).

13021303110123 is a wasteful number, since it uses less digits than its factorization.

13021303110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13145.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13021303110123 its reverse (32101130312031), we get a palindrome (45122433422154).

The spelling of 13021303110123 in words is "thirteen trillion, twenty-one billion, three hundred three million, one hundred ten thousand, one hundred twenty-three".