11234144423 has 4 divisors (see below), whose sum is σ = 11299081848. Its totient is φ = 11169207000.

The previous prime is 11234144407. The next prime is 11234144447. The reversal of 11234144423 is 32444143211.

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 11234144423 - 2⁴ = 11234144407 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 (11234144023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32468453 + ... + 32468798.

It is an arithmetic number, because the mean of its divisors is an integer number (2824770462).

Almost surely, 2^11234144423 is an apocalyptic number.

11234144423 is a deficient number, since it is larger than the sum of its proper divisors (64937425).

11234144423 is an equidigital number, since it uses as much as digits as its factorization.

11234144423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64937424.

The product of its digits is 9216, while the sum is 29.

Adding to 11234144423 its reverse (32444143211), we get a palindrome (43678287634).

The spelling of 11234144423 in words is "eleven billion, two hundred thirty-four million, one hundred forty-four thousand, four hundred twenty-three".