122323030013 has 4 divisors (see below), whose sum is σ = 122453023548. Its totient is φ = 122193036480.

The previous prime is 122323029989. The next prime is 122323030021. The reversal of 122323030013 is 310030323221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310030323221 = 983 ⋅315391987.

It can be written as a sum of positive squares in 2 ways, for example, as 104734435129 + 17588594884 = 323627^2 + 132622^2 .

It is a cyclic number.

It is not a de Polignac number, because 122323030013 - 2¹⁴ = 122323013629 is a prime.

It is a super-2 number, since 2×122323030013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122323030033) 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 3 ways as a sum of consecutive naturals, for example, 64995356 + ... + 64997237.

It is an arithmetic number, because the mean of its divisors is an integer number (30613255887).

Almost surely, 2^122323030013 is an apocalyptic number.

It is an amenable number.

122323030013 is a deficient number, since it is larger than the sum of its proper divisors (129993535).

122323030013 is an equidigital number, since it uses as much as digits as its factorization.

122323030013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129993534.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 122323030013 its reverse (310030323221), we get a palindrome (432353353234).

The spelling of 122323030013 in words is "one hundred twenty-two billion, three hundred twenty-three million, thirty thousand, thirteen".