123321131310011 has 16 divisors (see below), whose sum is σ = 123539692953600. Its totient is φ = 123102795340800.

The previous prime is 123321131310001. The next prime is 123321131310029. The reversal of 123321131310011 is 110013131123321.

It is a cyclic number.

It is not a de Polignac number, because 123321131310011 - 2³⁴ = 123303951440827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123321131310001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12804598166 + ... + 12804607796.

It is an arithmetic number, because the mean of its divisors is an integer number (7721230809600).

Almost surely, 2^{123321131310011} is an apocalyptic number.

123321131310011 is a deficient number, since it is larger than the sum of its proper divisors (218561643589).

123321131310011 is an equidigital number, since it uses as much as digits as its factorization.

123321131310011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19130.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 123321131310011 its reverse (110013131123321), we get a palindrome (233334262433332).

The spelling of 123321131310011 in words is "one hundred twenty-three trillion, three hundred twenty-one billion, one hundred thirty-one million, three hundred ten thousand, eleven".