123030311321011 has 4 divisors (see below), whose sum is σ = 123031233865800. Its totient is φ = 123029388776224.

The previous prime is 123030311320963. The next prime is 123030311321189. The reversal of 123030311321011 is 110123113030321.

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 123030311321011 - 2¹¹ = 123030311318963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123030311322011) 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, 461072326 + ... + 461339083.

It is an arithmetic number, because the mean of its divisors is an integer number (30757808466450).

Almost surely, 2^{123030311321011} is an apocalyptic number.

123030311321011 is a deficient number, since it is larger than the sum of its proper divisors (922544789).

123030311321011 is an equidigital number, since it uses as much as digits as its factorization.

123030311321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922544788.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 123030311321011 its reverse (110123113030321), we get a palindrome (233153424351332).

The spelling of 123030311321011 in words is "one hundred twenty-three trillion, thirty billion, three hundred eleven million, three hundred twenty-one thousand, eleven".