84597923 has 2 divisors, whose sum is σ = 84597924. Its totient is φ = 84597922.

The previous prime is 84597913. The next prime is 84597941. The reversal of 84597923 is 32979548.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84597923 - 2¹² = 84593827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (84597913) 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, 42298961 + 42298962.

It is an arithmetic number, because the mean of its divisors is an integer number (42298962).

Almost surely, 2^84597923 is an apocalyptic number.

84597923 is a deficient number, since it is larger than the sum of its proper divisors (1).

84597923 is an equidigital number, since it uses as much as digits as its factorization.

84597923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 84597923 is about 9197.7129222432. The cubic root of 84597923 is about 438.9885911561.

The spelling of 84597923 in words is "eighty-four million, five hundred ninety-seven thousand, nine hundred twenty-three".