84923837639723 has 2 divisors, whose sum is σ = 84923837639724. Its totient is φ = 84923837639722.

The previous prime is 84923837639621. The next prime is 84923837639789. The reversal of 84923837639723 is 32793673832948.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84923837639723 - 2⁸ = 84923837639467 is a prime.

It is not a weakly prime, because it can be changed into another prime (84923837635723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42461918819861 + 42461918819862.

It is an arithmetic number, because the mean of its divisors is an integer number (42461918819862).

Almost surely, 2^{84923837639723} is an apocalyptic number.

84923837639723 is a deficient number, since it is larger than the sum of its proper divisors (1).

84923837639723 is an equidigital number, since it uses as much as digits as its factorization.

84923837639723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975228416, while the sum is 74.

The spelling of 84923837639723 in words is "eighty-four trillion, nine hundred twenty-three billion, eight hundred thirty-seven million, six hundred thirty-nine thousand, seven hundred twenty-three".