123350312101 has 4 divisors (see below), whose sum is σ = 123351129612. Its totient is φ = 123349494592.

The previous prime is 123350312089. The next prime is 123350312123. The reversal of 123350312101 is 101213053321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 101213053321 = 5237 ⋅19326533.

It can be written as a sum of positive squares in 2 ways, for example, as 52716619201 + 70633692900 = 229601^2 + 265770^2 .

It is a cyclic number.

It is not a de Polignac number, because 123350312101 - 2²⁷ = 123216094373 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 (123350312201) 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, 109300 + ... + 508573.

It is an arithmetic number, because the mean of its divisors is an integer number (30837782403).

Almost surely, 2^123350312101 is an apocalyptic number.

It is an amenable number.

123350312101 is a deficient number, since it is larger than the sum of its proper divisors (817511).

123350312101 is an equidigital number, since it uses as much as digits as its factorization.

123350312101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817510.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 123350312101 its reverse (101213053321), we get a palindrome (224563365422).

The spelling of 123350312101 in words is "one hundred twenty-three billion, three hundred fifty million, three hundred twelve thousand, one hundred one".