11782523 has 2 divisors, whose sum is σ = 11782524. Its totient is φ = 11782522.

The previous prime is 11782501. The next prime is 11782541. The reversal of 11782523 is 32528711.

It is a strong prime.

It is an emirp because it is prime and its reverse (32528711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11782523 is a prime.

It is not a weakly prime, because it can be changed into another prime (11782543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5891261 + 5891262.

It is an arithmetic number, because the mean of its divisors is an integer number (5891262).

Almost surely, 2^11782523 is an apocalyptic number.

11782523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11782523 is an equidigital number, since it uses as much as digits as its factorization.

11782523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 29.

The square root of 11782523 is about 3432.5679891300. The cubic root of 11782523 is about 227.5513582074.

The spelling of 11782523 in words is "eleven million, seven hundred eighty-two thousand, five hundred twenty-three".