13122323212303 has 4 divisors (see below), whose sum is σ = 13127195967768. Its totient is φ = 13117450456840.

The previous prime is 13122323212247. The next prime is 13122323212319. The reversal of 13122323212303 is 30321232322131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13122323212303 - 2²¹ = 13122321115151 is a prime.

It is a super-2 number, since 2×13122323212303² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122323212363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2436373693 + ... + 2436379078.

It is an arithmetic number, because the mean of its divisors is an integer number (3281798991942).

Almost surely, 2^{13122323212303} is an apocalyptic number.

13122323212303 is a deficient number, since it is larger than the sum of its proper divisors (4872755465).

13122323212303 is an equidigital number, since it uses as much as digits as its factorization.

13122323212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872755464.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13122323212303 its reverse (30321232322131), we get a palindrome (43443555534434).

The spelling of 13122323212303 in words is "thirteen trillion, one hundred twenty-two billion, three hundred twenty-three million, two hundred twelve thousand, three hundred three".