83423694321 has 24 divisors (see below), whose sum is σ = 131501975904. Its totient is φ = 50541946560.

The previous prime is 83423694257. The next prime is 83423694331. The reversal of 83423694321 is 12349632438.

83423694321 is a `hidden beast` number, since 8 + 3 + 4 + 236 + 94 + 321 = 666.

It is not a de Polignac number, because 83423694321 - 2⁶ = 83423694257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83423694331) 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 23 ways as a sum of consecutive naturals, for example, 135370 + ... + 430316.

It is an arithmetic number, because the mean of its divisors is an integer number (5479248996).

Almost surely, 2^83423694321 is an apocalyptic number.

It is an amenable number.

83423694321 is a deficient number, since it is larger than the sum of its proper divisors (48078281583).

83423694321 is a wasteful number, since it uses less digits than its factorization.

83423694321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297821 (or 297818 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 83423694321 in words is "eighty-three billion, four hundred twenty-three million, six hundred ninety-four thousand, three hundred twenty-one".