1101323123113 has 4 divisors (see below), whose sum is σ = 1101488667588. Its totient is φ = 1101157578640.

The previous prime is 1101323123083. The next prime is 1101323123123. The reversal of 1101323123113 is 3113213231011.

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 534670988944 + 566652134169 = 731212^2 + 752763^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101323123113 - 2¹³ = 1101323114921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101323123123) 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, 82762258 + ... + 82775563.

It is an arithmetic number, because the mean of its divisors is an integer number (275372166897).

Almost surely, 2^{1101323123113} is an apocalyptic number.

It is an amenable number.

1101323123113 is a deficient number, since it is larger than the sum of its proper divisors (165544475).

1101323123113 is an equidigital number, since it uses as much as digits as its factorization.

1101323123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165544474.

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

Adding to 1101323123113 its reverse (3113213231011), we get a palindrome (4214536354124).

The spelling of 1101323123113 in words is "one trillion, one hundred one billion, three hundred twenty-three million, one hundred twenty-three thousand, one hundred thirteen".