11979323 has 4 divisors (see below), whose sum is σ = 12131040. Its totient is φ = 11827608.

The previous prime is 11979293. The next prime is 11979347. The reversal of 11979323 is 32397911.

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 11979323 - 2¹⁰ = 11978299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11969323) 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, 75740 + ... + 75897.

It is an arithmetic number, because the mean of its divisors is an integer number (3032760).

Almost surely, 2^11979323 is an apocalyptic number.

11979323 is a deficient number, since it is larger than the sum of its proper divisors (151717).

11979323 is an equidigital number, since it uses as much as digits as its factorization.

11979323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151716.

The product of its digits is 10206, while the sum is 35.

The square root of 11979323 is about 3461.1158605282. The cubic root of 11979323 is about 228.8112770433.

The spelling of 11979323 in words is "eleven million, nine hundred seventy-nine thousand, three hundred twenty-three".