11320423101 has 24 divisors (see below), whose sum is σ = 17613127896. Its totient is φ = 6964997760.

The previous prime is 11320423099. The next prime is 11320423111. The reversal of 11320423101 is 10132402311.

It can be written as a sum of positive squares in 4 ways, for example, as 4995225 + 11315427876 = 2235^2 + 106374^2 .

It is not a de Polignac number, because 11320423101 - 2¹ = 11320423099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320423111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1133791 + ... + 1143731.

It is an arithmetic number, because the mean of its divisors is an integer number (733880329).

Almost surely, 2^11320423101 is an apocalyptic number.

It is an amenable number.

11320423101 is a deficient number, since it is larger than the sum of its proper divisors (6292704795).

11320423101 is a wasteful number, since it uses less digits than its factorization.

11320423101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19693 (or 19690 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11320423101 its reverse (10132402311), we get a palindrome (21452825412).

The spelling of 11320423101 in words is "eleven billion, three hundred twenty million, four hundred twenty-three thousand, one hundred one".