13523743 has 2 divisors, whose sum is σ = 13523744. Its totient is φ = 13523742.

The previous prime is 13523729. The next prime is 13523753. The reversal of 13523743 is 34732531.

It is a strong prime.

It is an emirp because it is prime and its reverse (34732531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13523743 - 2¹⁷ = 13392671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13523753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6761871 + 6761872.

It is an arithmetic number, because the mean of its divisors is an integer number (6761872).

Almost surely, 2^13523743 is an apocalyptic number.

13523743 is a deficient number, since it is larger than the sum of its proper divisors (1).

13523743 is an equidigital number, since it uses as much as digits as its factorization.

13523743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 28.

The square root of 13523743 is about 3677.4642078476. The cubic root of 13523743 is about 238.2496673852.

The spelling of 13523743 in words is "thirteen million, five hundred twenty-three thousand, seven hundred forty-three".