11323123101 has 12 divisors (see below), whose sum is σ = 16371468828. Its totient is φ = 7541434944.

The previous prime is 11323123087. The next prime is 11323123103. The reversal of 11323123101 is 10132132311.

11323123101 is a `hidden beast` number, since 11 + 32 + 312 + 310 + 1 = 666.

11323123101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6211016100 + 5112107001 = 78810^2 + 71499^2 .

It is not a de Polignac number, because 11323123101 - 2³¹ = 9175639453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323123103) 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 11 ways as a sum of consecutive naturals, for example, 599670 + ... + 618263.

It is an arithmetic number, because the mean of its divisors is an integer number (1364289069).

Almost surely, 2^11323123101 is an apocalyptic number.

It is an amenable number.

11323123101 is a deficient number, since it is larger than the sum of its proper divisors (5048345727).

11323123101 is a wasteful number, since it uses less digits than its factorization.

11323123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218972 (or 1218969 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11323123101 its reverse (10132132311), we get a palindrome (21455255412).

The spelling of 11323123101 in words is "eleven billion, three hundred twenty-three million, one hundred twenty-three thousand, one hundred one".