83967523 has 2 divisors, whose sum is σ = 83967524. Its totient is φ = 83967522.

The previous prime is 83967497. The next prime is 83967547. The reversal of 83967523 is 32576938.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83967523 - 2⁹ = 83967011 is a prime.

It is equal to p_4887367 and since 83967523 and 4887367 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83967523.

It is not a weakly prime, because it can be changed into another prime (83967553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41983761 + 41983762.

It is an arithmetic number, because the mean of its divisors is an integer number (41983762).

Almost surely, 2^83967523 is an apocalyptic number.

83967523 is a deficient number, since it is larger than the sum of its proper divisors (1).

83967523 is an equidigital number, since it uses as much as digits as its factorization.

83967523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 83967523 is about 9163.3794530184. The cubic root of 83967523 is about 437.8954647913.

The spelling of 83967523 in words is "eighty-three million, nine hundred sixty-seven thousand, five hundred twenty-three".