12320423103 has 16 divisors (see below), whose sum is σ = 16562497536. Its totient is φ = 8146239360.

The previous prime is 12320423053. The next prime is 12320423131. The reversal of 12320423103 is 30132402321.

It is not a de Polignac number, because 12320423103 - 2⁸ = 12320422847 is a prime.

It is a super-2 number, since 2×12320423103² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12320423103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320423153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161200 + ... + 225002.

It is an arithmetic number, because the mean of its divisors is an integer number (1035156096).

Almost surely, 2^12320423103 is an apocalyptic number.

12320423103 is a deficient number, since it is larger than the sum of its proper divisors (4242074433).

12320423103 is a wasteful number, since it uses less digits than its factorization.

12320423103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64334.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12320423103 its reverse (30132402321), we get a palindrome (42452825424).

The spelling of 12320423103 in words is "twelve billion, three hundred twenty million, four hundred twenty-three thousand, one hundred three".