1323123303101 has 8 divisors (see below), whose sum is σ = 1359026838840. Its totient is φ = 1287227317248.

The previous prime is 1323123303097. The next prime is 1323123303107. The reversal of 1323123303101 is 1013033213231.

It can be written as a sum of positive squares in 4 ways, for example, as 240368595076 + 1082754708025 = 490274^2 + 1040555^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323123303101 - 2² = 1323123303097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323123303107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1531316 + ... + 2234093.

It is an arithmetic number, because the mean of its divisors is an integer number (169878354855).

Almost surely, 2^{1323123303101} is an apocalyptic number.

It is an amenable number.

1323123303101 is a deficient number, since it is larger than the sum of its proper divisors (35903535739).

1323123303101 is an equidigital number, since it uses as much as digits as its factorization.

1323123303101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774943.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1323123303101 its reverse (1013033213231), we get a palindrome (2336156516332).

The spelling of 1323123303101 in words is "one trillion, three hundred twenty-three billion, one hundred twenty-three million, three hundred three thousand, one hundred one".