84215430915423 has 8 divisors (see below), whose sum is σ = 112291965817728. Its totient is φ = 56141258311704.

The previous prime is 84215430915361. The next prime is 84215430915433. The reversal of 84215430915423 is 32451903451248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84215430915423 - 2⁸ = 84215430915167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84215430915433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590491461 + ... + 590634062.

It is an arithmetic number, because the mean of its divisors is an integer number (14036495727216).

Almost surely, 2^{84215430915423} is an apocalyptic number.

84215430915423 is a deficient number, since it is larger than the sum of its proper divisors (28076534902305).

84215430915423 is a wasteful number, since it uses less digits than its factorization.

84215430915423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181149293.

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 84215430915423 in words is "eighty-four trillion, two hundred fifteen billion, four hundred thirty million, nine hundred fifteen thousand, four hundred twenty-three".