12320231103 has 12 divisors (see below), whose sum is σ = 18276859848. Its totient is φ = 7991501040.

The previous prime is 12320231093. The next prime is 12320231111. The reversal of 12320231103 is 30113202321.

12320231103 is a `hidden beast` number, since 12 + 320 + 231 + 103 = 666.

It is not a de Polignac number, because 12320231103 - 2⁵ = 12320231071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320230103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18498513 + ... + 18499178.

It is an arithmetic number, because the mean of its divisors is an integer number (1523071654).

Almost surely, 2^12320231103 is an apocalyptic number.

12320231103 is a deficient number, since it is larger than the sum of its proper divisors (5956628745).

12320231103 is a wasteful number, since it uses less digits than its factorization.

12320231103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36997734 (or 36997731 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12320231103 its reverse (30113202321), we get a palindrome (42433433424).

The spelling of 12320231103 in words is "twelve billion, three hundred twenty million, two hundred thirty-one thousand, one hundred three".