13121313233023 has 8 divisors (see below), whose sum is σ = 14185203495920. Its totient is φ = 12094752453120.

The previous prime is 13121313233009. The next prime is 13121313233059. The reversal of 13121313233023 is 32033231312131.

It is a happy number.

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 13121313233023 - 2²¹ = 13121311135871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13121313232982 and 13121313233000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121313233723) 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, 9332370018 + ... + 9332371423.

It is an arithmetic number, because the mean of its divisors is an integer number (1773150436990).

Almost surely, 2^{13121313233023} is an apocalyptic number.

13121313233023 is a deficient number, since it is larger than the sum of its proper divisors (1063890262897).

13121313233023 is a wasteful number, since it uses less digits than its factorization.

13121313233023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18664741497.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 13121313233023 its reverse (32033231312131), we get a palindrome (45154544545154).

The spelling of 13121313233023 in words is "thirteen trillion, one hundred twenty-one billion, three hundred thirteen million, two hundred thirty-three thousand, twenty-three".