1323123301011 has 8 divisors (see below), whose sum is σ = 1764176183440. Its totient is φ = 882076309632.

The previous prime is 1323123300971. The next prime is 1323123301033. The reversal of 1323123301011 is 1101033213231.

It is a happy number.

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

It is not a de Polignac number, because 1323123301011 - 2¹⁰ = 1323123299987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323123301211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918946 + ... + 1868343.

It is an arithmetic number, because the mean of its divisors is an integer number (220522022930).

Almost surely, 2^{1323123301011} is an apocalyptic number.

1323123301011 is a deficient number, since it is larger than the sum of its proper divisors (441052882429).

1323123301011 is a wasteful number, since it uses less digits than its factorization.

1323123301011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945525.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1323123301011 its reverse (1101033213231), we get a palindrome (2424156514242).

The spelling of 1323123301011 in words is "one trillion, three hundred twenty-three billion, one hundred twenty-three million, three hundred one thousand, eleven".