123220110301 has 4 divisors (see below), whose sum is σ = 123536871900. Its totient is φ = 122903348704.

The previous prime is 123220110253. The next prime is 123220110313. The reversal of 123220110301 is 103011022321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103011022321 = 40423 ⋅2548327.

It can be written as a sum of positive squares in 2 ways, for example, as 17383104025 + 105837006276 = 131845^2 + 325326^2 .

It is a cyclic number.

It is not a de Polignac number, because 123220110301 - 2¹⁹ = 123219586013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123220110331) 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, 158380216 + ... + 158380993.

It is an arithmetic number, because the mean of its divisors is an integer number (30884217975).

Almost surely, 2^123220110301 is an apocalyptic number.

It is an amenable number.

123220110301 is a deficient number, since it is larger than the sum of its proper divisors (316761599).

123220110301 is an equidigital number, since it uses as much as digits as its factorization.

123220110301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316761598.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123220110301 its reverse (103011022321), we get a palindrome (226231132622).

The spelling of 123220110301 in words is "one hundred twenty-three billion, two hundred twenty million, one hundred ten thousand, three hundred one".