123320321130001 has 4 divisors (see below), whose sum is σ = 123613243508404. Its totient is φ = 123027398751600.

The previous prime is 123320321129987. The next prime is 123320321130043. The reversal of 123320321130001 is 100031123023321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22667739934225 + 100652581195776 = 4761065^2 + 10032576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123320321130001 is a prime.

It is a super-2 number, since 2×123320321130001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123320321130901) 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, 146461188570 + ... + 146461189411.

It is an arithmetic number, because the mean of its divisors is an integer number (30903310877101).

Almost surely, 2^{123320321130001} is an apocalyptic number.

It is an amenable number.

123320321130001 is a deficient number, since it is larger than the sum of its proper divisors (292922378403).

123320321130001 is an equidigital number, since it uses as much as digits as its factorization.

123320321130001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292922378402.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123320321130001 its reverse (100031123023321), we get a palindrome (223351444153322).

The spelling of 123320321130001 in words is "one hundred twenty-three trillion, three hundred twenty billion, three hundred twenty-one million, one hundred thirty thousand, one".