13121023330323 has 16 divisors (see below), whose sum is σ = 19439702541600. Its totient is φ = 8746831630080.

The previous prime is 13121023330321. The next prime is 13121023330397. The reversal of 13121023330323 is 32303332012131.

13121023330323 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 0 + 2 + 3 + 330 + 323 = 666.

It is not a de Polignac number, because 13121023330323 - 2¹ = 13121023330321 is a prime.

It is a super-2 number, since 2×13121023330323² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13121023330321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13902918 + ... + 14816651.

It is an arithmetic number, because the mean of its divisors is an integer number (1214981408850).

Almost surely, 2^{13121023330323} is an apocalyptic number.

13121023330323 is a deficient number, since it is larger than the sum of its proper divisors (6318679211277).

13121023330323 is a wasteful number, since it uses less digits than its factorization.

13121023330323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28736499 (or 28736493 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 13121023330323 its reverse (32303332012131), we get a palindrome (45424355342454).

The spelling of 13121023330323 in words is "thirteen trillion, one hundred twenty-one billion, twenty-three million, three hundred thirty thousand, three hundred twenty-three".