83213423385 has 32 divisors (see below), whose sum is σ = 134388388992. Its totient is φ = 43966540800.

The previous prime is 83213423347. The next prime is 83213423389. The reversal of 83213423385 is 58332431238.

It is not a de Polignac number, because 83213423385 - 2⁷ = 83213423257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83213423389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 741210 + ... + 846060.

It is an arithmetic number, because the mean of its divisors is an integer number (4199637156).

Almost surely, 2^83213423385 is an apocalyptic number.

It is an amenable number.

83213423385 is a deficient number, since it is larger than the sum of its proper divisors (51174965607).

83213423385 is a wasteful number, since it uses less digits than its factorization.

83213423385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105353.

The product of its digits is 414720, while the sum is 42.

The spelling of 83213423385 in words is "eighty-three billion, two hundred thirteen million, four hundred twenty-three thousand, three hundred eighty-five".