84587423 has 2 divisors, whose sum is σ = 84587424. Its totient is φ = 84587422.

The previous prime is 84587413. The next prime is 84587429. The reversal of 84587423 is 32478548.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84587423 - 2¹⁰ = 84586399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84587429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42293711 + 42293712.

It is an arithmetic number, because the mean of its divisors is an integer number (42293712).

Almost surely, 2^84587423 is an apocalyptic number.

84587423 is a deficient number, since it is larger than the sum of its proper divisors (1).

84587423 is an equidigital number, since it uses as much as digits as its factorization.

84587423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 41.

The square root of 84587423 is about 9197.1421104602. The cubic root of 84587423 is about 438.9704284922.

The spelling of 84587423 in words is "eighty-four million, five hundred eighty-seven thousand, four hundred twenty-three".