11323999 has 4 divisors (see below), whose sum is σ = 11335320. Its totient is φ = 11312680.

The previous prime is 11323997. The next prime is 11324011. The reversal of 11323999 is 99932311.

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 11323999 - 2¹ = 11323997 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 (11323997) 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, 3997 + ... + 6214.

It is an arithmetic number, because the mean of its divisors is an integer number (2833830).

Almost surely, 2^11323999 is an apocalyptic number.

11323999 is a deficient number, since it is larger than the sum of its proper divisors (11321).

11323999 is a wasteful number, since it uses less digits than its factorization.

11323999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11320.

The product of its digits is 13122, while the sum is 37.

The square root of 11323999 is about 3365.1150054642. The cubic root of 11323999 is about 224.5604521704.

The spelling of 11323999 in words is "eleven million, three hundred twenty-three thousand, nine hundred ninety-nine".