12206103423 has 4 divisors (see below), whose sum is σ = 16274804568. Its totient is φ = 8137402280.

The previous prime is 12206103391. The next prime is 12206103439. The reversal of 12206103423 is 32430160221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12206103423 - 2⁵ = 12206103391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12206103393 and 12206103402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206103523) 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, 2034350568 + ... + 2034350573.

It is an arithmetic number, because the mean of its divisors is an integer number (4068701142).

Almost surely, 2^12206103423 is an apocalyptic number.

12206103423 is a deficient number, since it is larger than the sum of its proper divisors (4068701145).

12206103423 is an equidigital number, since it uses as much as digits as its factorization.

12206103423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068701144.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12206103423 its reverse (32430160221), we get a palindrome (44636263644).

The spelling of 12206103423 in words is "twelve billion, two hundred six million, one hundred three thousand, four hundred twenty-three".