11234413321423 has 4 divisors (see below), whose sum is σ = 11234423444328. Its totient is φ = 11234403198520.

The previous prime is 11234413321421. The next prime is 11234413321441. The reversal of 11234413321423 is 32412331443211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11234413321423 - 2¹ = 11234413321421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11234413321421) 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, 3158188 + ... + 5695873.

It is an arithmetic number, because the mean of its divisors is an integer number (2808605861082).

Almost surely, 2^{11234413321423} is an apocalyptic number.

11234413321423 is a deficient number, since it is larger than the sum of its proper divisors (10122905).

11234413321423 is an equidigital number, since it uses as much as digits as its factorization.

11234413321423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122904.

The product of its digits is 41472, while the sum is 34.

Adding to 11234413321423 its reverse (32412331443211), we get a palindrome (43646744764634).

The spelling of 11234413321423 in words is "eleven trillion, two hundred thirty-four billion, four hundred thirteen million, three hundred twenty-one thousand, four hundred twenty-three".