123301023121 has 4 divisors (see below), whose sum is σ = 124013745972. Its totient is φ = 122588300272.

The previous prime is 123301023037. The next prime is 123301023179. The reversal of 123301023121 is 121320103321.

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 43347240000 + 79953783121 = 208200^2 + 282761^2 .

It is a cyclic number.

It is not a de Polignac number, because 123301023121 - 2¹³ = 123301014929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123301023221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356361166 + ... + 356361511.

It is an arithmetic number, because the mean of its divisors is an integer number (31003436493).

Almost surely, 2^123301023121 is an apocalyptic number.

It is an amenable number.

123301023121 is a deficient number, since it is larger than the sum of its proper divisors (712722851).

123301023121 is an equidigital number, since it uses as much as digits as its factorization.

123301023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712722850.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123301023121 its reverse (121320103321), we get a palindrome (244621126442).

The spelling of 123301023121 in words is "one hundred twenty-three billion, three hundred one million, twenty-three thousand, one hundred twenty-one".