123101121000313 has 4 divisors (see below), whose sum is σ = 123411199391140. Its totient is φ = 122791042609488.

The previous prime is 123101121000293. The next prime is 123101121000331. The reversal of 123101121000313 is 313000121101321.

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 95055538627449 + 28045582372864 = 9749643^2 + 5295808^2 .

It is a cyclic number.

It is not a de Polignac number, because 123101121000313 - 2³⁷ = 122963682046841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123101121000343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155039194818 + ... + 155039195611.

It is an arithmetic number, because the mean of its divisors is an integer number (30852799847785).

Almost surely, 2^{123101121000313} is an apocalyptic number.

It is an amenable number.

123101121000313 is a deficient number, since it is larger than the sum of its proper divisors (310078390827).

123101121000313 is an equidigital number, since it uses as much as digits as its factorization.

123101121000313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310078390826.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 123101121000313 its reverse (313000121101321), we get a palindrome (436101242101634).

The spelling of 123101121000313 in words is "one hundred twenty-three trillion, one hundred one billion, one hundred twenty-one million, three hundred thirteen", and thus it is an aban number.