11312104423 has 4 divisors (see below), whose sum is σ = 11907478360. Its totient is φ = 10716730488.

The previous prime is 11312104409. The next prime is 11312104439. The reversal of 11312104423 is 32440121311.

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 11312104423 - 2⁹ = 11312103911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11312104394 and 11312104403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312104483) 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, 297686940 + ... + 297686977.

It is an arithmetic number, because the mean of its divisors is an integer number (2976869590).

Almost surely, 2^11312104423 is an apocalyptic number.

11312104423 is a deficient number, since it is larger than the sum of its proper divisors (595373937).

11312104423 is an equidigital number, since it uses as much as digits as its factorization.

11312104423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595373936.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11312104423 its reverse (32440121311), we get a palindrome (43752225734).

The spelling of 11312104423 in words is "eleven billion, three hundred twelve million, one hundred four thousand, four hundred twenty-three".