11845423 has 4 divisors (see below), whose sum is σ = 11858368. Its totient is φ = 11832480.

The previous prime is 11845403. The next prime is 11845453. The reversal of 11845423 is 32454811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11845423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11845391 and 11845400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11845403) 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, 4986 + ... + 6967.

It is an arithmetic number, because the mean of its divisors is an integer number (2964592).

Almost surely, 2^11845423 is an apocalyptic number.

11845423 is a deficient number, since it is larger than the sum of its proper divisors (12945).

11845423 is an equidigital number, since it uses as much as digits as its factorization.

11845423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12944.

The product of its digits is 3840, while the sum is 28.

The square root of 11845423 is about 3441.7180302866. The cubic root of 11845423 is about 227.9555610015.

The spelling of 11845423 in words is "eleven million, eight hundred forty-five thousand, four hundred twenty-three".