11434121323 has 4 divisors (see below), whose sum is σ = 11438533528. Its totient is φ = 11429709120.

The previous prime is 11434121311. The next prime is 11434121381. The reversal of 11434121323 is 32312143411.

11434121323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11434121323 - 2⁵ = 11434121291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11434125323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202213 + ... + 2207398.

It is an arithmetic number, because the mean of its divisors is an integer number (2859633382).

Almost surely, 2^11434121323 is an apocalyptic number.

11434121323 is a deficient number, since it is larger than the sum of its proper divisors (4412205).

11434121323 is an equidigital number, since it uses as much as digits as its factorization.

11434121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412204.

The product of its digits is 1728, while the sum is 25.

Adding to 11434121323 its reverse (32312143411), we get a palindrome (43746264734).

The spelling of 11434121323 in words is "eleven billion, four hundred thirty-four million, one hundred twenty-one thousand, three hundred twenty-three".