83966423 has 2 divisors, whose sum is σ = 83966424. Its totient is φ = 83966422.

The previous prime is 83966347. The next prime is 83966447. The reversal of 83966423 is 32466938.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83966423 - 2¹⁸ = 83704279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83963423) 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, 41983211 + 41983212.

It is an arithmetic number, because the mean of its divisors is an integer number (41983212).

Almost surely, 2^83966423 is an apocalyptic number.

83966423 is a deficient number, since it is larger than the sum of its proper divisors (1).

83966423 is an equidigital number, since it uses as much as digits as its factorization.

83966423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 41.

The square root of 83966423 is about 9163.3194312978. The cubic root of 83966423 is about 437.8935525952.

The spelling of 83966423 in words is "eighty-three million, nine hundred sixty-six thousand, four hundred twenty-three".