12103423331 has 4 divisors (see below), whose sum is σ = 12629659152. Its totient is φ = 11577187512.

The previous prime is 12103423273. The next prime is 12103423349. The reversal of 12103423331 is 13332430121.

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 12103423331 - 2²⁶ = 12036314467 is a prime.

It is a super-2 number, since 2×12103423331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 526235797 = 12103423331 / (1 + 2 + 1 + 0 + 3 + 4 + 2 + 3 + 3 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12103423297 and 12103423306.

It is not an unprimeable number, because it can be changed into a prime (12106423331) 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, 263117876 + ... + 263117921.

It is an arithmetic number, because the mean of its divisors is an integer number (3157414788).

Almost surely, 2^12103423331 is an apocalyptic number.

12103423331 is a deficient number, since it is larger than the sum of its proper divisors (526235821).

12103423331 is an equidigital number, since it uses as much as digits as its factorization.

12103423331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526235820.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12103423331 its reverse (13332430121), we get a palindrome (25435853452).

The spelling of 12103423331 in words is "twelve billion, one hundred three million, four hundred twenty-three thousand, three hundred thirty-one".