11356423 has 4 divisors (see below), whose sum is σ = 12230008. Its totient is φ = 10482840.

The previous prime is 11356421. The next prime is 11356427. The reversal of 11356423 is 32465311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32465311 = 997 ⋅32563.

It is a cyclic number.

It is not a de Polignac number, because 11356423 - 2¹ = 11356421 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 (11356421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436773 + ... + 436798.

It is an arithmetic number, because the mean of its divisors is an integer number (3057502).

Almost surely, 2^11356423 is an apocalyptic number.

11356423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11356423 is a deficient number, since it is larger than the sum of its proper divisors (873585).

11356423 is an equidigital number, since it uses as much as digits as its factorization.

11356423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873584.

The product of its digits is 2160, while the sum is 25.

The square root of 11356423 is about 3369.9292277435. The cubic root of 11356423 is about 224.7745758725.

The spelling of 11356423 in words is "eleven million, three hundred fifty-six thousand, four hundred twenty-three".