13123420510231 has 8 divisors (see below), whose sum is σ = 13138750681200. Its totient is φ = 13108094222208.

The previous prime is 13123420510183. The next prime is 13123420510243. The reversal of 13123420510231 is 13201502432131.

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 13123420510231 - 2¹⁹ = 13123419985943 is a prime.

It is a super-2 number, since 2×13123420510231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13123420510231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123420510831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5820445 + ... + 7753993.

It is an arithmetic number, because the mean of its divisors is an integer number (1642343835150).

Almost surely, 2^{13123420510231} is an apocalyptic number.

13123420510231 is a deficient number, since it is larger than the sum of its proper divisors (15330170969).

13123420510231 is an equidigital number, since it uses as much as digits as its factorization.

13123420510231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941473.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 13123420510231 its reverse (13201502432131), we get a palindrome (26324922942362).

The spelling of 13123420510231 in words is "thirteen trillion, one hundred twenty-three billion, four hundred twenty million, five hundred ten thousand, two hundred thirty-one".