11987323 has 2 divisors, whose sum is σ = 11987324. Its totient is φ = 11987322.

The previous prime is 11987299. The next prime is 11987377. The reversal of 11987323 is 32378911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11987323 - 2⁵ = 11987291 is a prime.

It is not a weakly prime, because it can be changed into another prime (11987923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5993661 + 5993662.

It is an arithmetic number, because the mean of its divisors is an integer number (5993662).

Almost surely, 2^11987323 is an apocalyptic number.

11987323 is a deficient number, since it is larger than the sum of its proper divisors (1).

11987323 is an equidigital number, since it uses as much as digits as its factorization.

11987323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 11987323 is about 3462.2713642925. The cubic root of 11987323 is about 228.8622004244.

The spelling of 11987323 in words is "eleven million, nine hundred eighty-seven thousand, three hundred twenty-three".