11538523 has 2 divisors, whose sum is σ = 11538524. Its totient is φ = 11538522.

The previous prime is 11538497. The next prime is 11538533. The reversal of 11538523 is 32583511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11538523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11538491 and 11538500.

It is not a weakly prime, because it can be changed into another prime (11538533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5769261 + 5769262.

It is an arithmetic number, because the mean of its divisors is an integer number (5769262).

Almost surely, 2^11538523 is an apocalyptic number.

11538523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11538523 is an equidigital number, since it uses as much as digits as its factorization.

11538523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 28.

The square root of 11538523 is about 3396.8401493152. The cubic root of 11538523 is about 225.9696294062.

The spelling of 11538523 in words is "eleven million, five hundred thirty-eight thousand, five hundred twenty-three".