123020340301311 has 4 divisors (see below), whose sum is σ = 164027120401752. Its totient is φ = 82013560200872.

The previous prime is 123020340301307. The next prime is 123020340301333. The reversal of 123020340301311 is 113103043020321.

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 123020340301311 - 2² = 123020340301307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020340301301) 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, 20503390050216 + ... + 20503390050221.

It is an arithmetic number, because the mean of its divisors is an integer number (41006780100438).

Almost surely, 2^{123020340301311} is an apocalyptic number.

123020340301311 is a deficient number, since it is larger than the sum of its proper divisors (41006780100441).

123020340301311 is an equidigital number, since it uses as much as digits as its factorization.

123020340301311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41006780100440.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 123020340301311 its reverse (113103043020321), we get a palindrome (236123383321632).

The spelling of 123020340301311 in words is "one hundred twenty-three trillion, twenty billion, three hundred forty million, three hundred one thousand, three hundred eleven".