13123110122233 has 4 divisors (see below), whose sum is σ = 13895057776500. Its totient is φ = 12351162467968.

The previous prime is 13123110122209. The next prime is 13123110122299. The reversal of 13123110122233 is 33222101132131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10616831689104 + 2506278433129 = 3258348^2 + 1583123^2 .

It is not a de Polignac number, because 13123110122233 - 2⁹ = 13123110121721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13123110122198 and 13123110122207.

It is not an unprimeable number, because it can be changed into a prime (13123110102233) 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, 385973827108 + ... + 385973827141.

It is an arithmetic number, because the mean of its divisors is an integer number (3473764444125).

Almost surely, 2^{13123110122233} is an apocalyptic number.

It is an amenable number.

13123110122233 is a deficient number, since it is larger than the sum of its proper divisors (771947654267).

13123110122233 is an equidigital number, since it uses as much as digits as its factorization.

13123110122233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771947654266.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13123110122233 its reverse (33222101132131), we get a palindrome (46345211254364).

The spelling of 13123110122233 in words is "thirteen trillion, one hundred twenty-three billion, one hundred ten million, one hundred twenty-two thousand, two hundred thirty-three".