12103434223 has 4 divisors (see below), whose sum is σ = 12815400960. Its totient is φ = 11391467488.

The previous prime is 12103434193. The next prime is 12103434251. The reversal of 12103434223 is 32243430121.

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 12103434223 - 2²¹ = 12101337071 is a prime.

It is a super-2 number, since 2×12103434223² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100434223) 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, 355983343 + ... + 355983376.

It is an arithmetic number, because the mean of its divisors is an integer number (3203850240).

Almost surely, 2^12103434223 is an apocalyptic number.

12103434223 is a deficient number, since it is larger than the sum of its proper divisors (711966737).

12103434223 is an equidigital number, since it uses as much as digits as its factorization.

12103434223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711966736.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12103434223 its reverse (32243430121), we get a palindrome (44346864344).

The spelling of 12103434223 in words is "twelve billion, one hundred three million, four hundred thirty-four thousand, two hundred twenty-three".