11123023202113 has 4 divisors (see below), whose sum is σ = 11130185485188. Its totient is φ = 11115860919040.

The previous prime is 11123023202101. The next prime is 11123023202141. The reversal of 11123023202113 is 31120232032111.

11123023202113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1259855839489 + 9863167362624 = 1122433^2 + 3140568^2 .

It is a cyclic number.

It is not a de Polignac number, because 11123023202113 - 2¹³ = 11123023193921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123023202173) 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, 3581139208 + ... + 3581142313.

It is an arithmetic number, because the mean of its divisors is an integer number (2782546371297).

Almost surely, 2^{11123023202113} is an apocalyptic number.

It is an amenable number.

11123023202113 is a deficient number, since it is larger than the sum of its proper divisors (7162283075).

11123023202113 is an equidigital number, since it uses as much as digits as its factorization.

11123023202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7162283074.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11123023202113 its reverse (31120232032111), we get a palindrome (42243255234224).

The spelling of 11123023202113 in words is "eleven trillion, one hundred twenty-three billion, twenty-three million, two hundred two thousand, one hundred thirteen".