123300312120311 has 4 divisors (see below), whose sum is σ = 126167761239432. Its totient is φ = 120432863001192.

The previous prime is 123300312120289. The next prime is 123300312120353. The reversal of 123300312120311 is 113021213003321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123300312120311 - 2⁶ = 123300312120247 is a prime.

It is a super-2 number, since 2×123300312120311² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123300312122311) 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, 1433724559496 + ... + 1433724559581.

It is an arithmetic number, because the mean of its divisors is an integer number (31541940309858).

Almost surely, 2^{123300312120311} is an apocalyptic number.

123300312120311 is a deficient number, since it is larger than the sum of its proper divisors (2867449119121).

123300312120311 is an equidigital number, since it uses as much as digits as its factorization.

123300312120311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867449119120.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 123300312120311 its reverse (113021213003321), we get a palindrome (236321525123632).

The spelling of 123300312120311 in words is "one hundred twenty-three trillion, three hundred billion, three hundred twelve million, one hundred twenty thousand, three hundred eleven".