11671523 has 2 divisors, whose sum is σ = 11671524. Its totient is φ = 11671522.

The previous prime is 11671507. The next prime is 11671547. The reversal of 11671523 is 32517611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11671523 - 2⁴ = 11671507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11671492 and 11671501.

It is not a weakly prime, because it can be changed into another prime (11671573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5835761 + 5835762.

It is an arithmetic number, because the mean of its divisors is an integer number (5835762).

Almost surely, 2^11671523 is an apocalyptic number.

11671523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11671523 is an equidigital number, since it uses as much as digits as its factorization.

11671523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 26.

The square root of 11671523 is about 3416.3610757647. The cubic root of 11671523 is about 226.8345356324.

The spelling of 11671523 in words is "eleven million, six hundred seventy-one thousand, five hundred twenty-three".