123300231311 has 12 divisors (see below), whose sum is σ = 133199846040. Its totient is φ = 114080357760.

The previous prime is 123300231293. The next prime is 123300231343. The reversal of 123300231311 is 113132003321.

It is a de Polignac number, because none of the positive numbers 2^k-123300231311 is a prime.

It is a super-2 number, since 2×123300231311² (a number of 23 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 (123300231361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3598580 + ... + 3632681.

It is an arithmetic number, because the mean of its divisors is an integer number (11099987170).

Almost surely, 2^123300231311 is an apocalyptic number.

123300231311 is a deficient number, since it is larger than the sum of its proper divisors (9899614729).

123300231311 is an equidigital number, since it uses as much as digits as its factorization.

123300231311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231354 (or 7231337 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123300231311 its reverse (113132003321), we get a palindrome (236432234632).

The spelling of 123300231311 in words is "one hundred twenty-three billion, three hundred million, two hundred thirty-one thousand, three hundred eleven".